{
  "schemaVersion": 2,
  "topic": {
    "id": "course-articles-example",
    "slug": "articles-example",
    "category": "Other grammar topics",
    "title": "Articles: a, an and the",
    "titleRu": "Артикли: a, an и the",
    "description": "Choose an article for first mentions, specific nouns and unique things.",
    "descriptionRu": "Выбор артикля при первом упоминании, с конкретными и уникальными предметами.",
    "theorySections": [
      {
        "title": "A / an",
        "points": [
          "Use a or an with a singular countable noun when it is mentioned for the first time.",
          "Use an before a vowel sound."
        ]
      },
      {
        "title": "The",
        "points": [
          "Use the when the listener knows which person or thing you mean.",
          "Use the with unique things and superlatives."
        ]
      },
      {
        "title": "No article",
        "points": [
          "Use no article when speaking generally about plural or uncountable nouns."
        ]
      }
    ],
    "theorySectionsRu": [
      {
        "title": "A / an",
        "points": [
          "Используйте a или an с исчисляемым существительным в единственном числе при первом упоминании.",
          "An ставится перед гласным звуком."
        ]
      },
      {
        "title": "The",
        "points": [
          "Используйте the, когда понятно, о каком конкретном предмете идёт речь.",
          "The также употребляется с уникальными объектами и превосходной степенью."
        ]
      },
      {
        "title": "Без артикля",
        "points": [
          "Артикль не нужен при общем значении существительных во множественном числе и неисчисляемых существительных."
        ]
      }
    ],
    "status": "published"
  },
  "exercises": [
    {
      "id": "course-articles-example-upload-01",
      "mode": "quick",
      "prompt": "I saw ___ interesting film yesterday.",
      "answer": [
        "an"
      ],
      "options": [
        "a",
        "an",
        "the"
      ],
      "why": "Use the article that matches whether the noun is general, specific or mentioned for the first time.",
      "whyRu": "Выбирайте артикль по смыслу: общее значение, конкретный предмет или первое упоминание."
    },
    {
      "id": "course-articles-example-upload-02",
      "mode": "quick",
      "prompt": "Please close ___ window next to you.",
      "answer": [
        "the"
      ],
      "options": [
        "a",
        "an",
        "the"
      ],
      "why": "Use the article that matches whether the noun is general, specific or mentioned for the first time.",
      "whyRu": "Выбирайте артикль по смыслу: общее значение, конкретный предмет или первое упоминание."
    },
    {
      "id": "course-articles-example-upload-03",
      "mode": "quick",
      "prompt": "She is ___ doctor.",
      "answer": [
        "a"
      ],
      "options": [
        "a",
        "an",
        "the"
      ],
      "why": "Use the article that matches whether the noun is general, specific or mentioned for the first time.",
      "whyRu": "Выбирайте артикль по смыслу: общее значение, конкретный предмет или первое упоминание."
    },
    {
      "id": "course-articles-example-upload-04",
      "mode": "quick",
      "prompt": "___ sun rises in the east.",
      "answer": [
        "The"
      ],
      "options": [
        "A",
        "An",
        "The"
      ],
      "why": "Use the article that matches whether the noun is general, specific or mentioned for the first time.",
      "whyRu": "Выбирайте артикль по смыслу: общее значение, конкретный предмет или первое упоминание."
    },
    {
      "id": "course-articles-example-upload-05",
      "mode": "quick",
      "prompt": "We usually have breakfast without ___ article.",
      "answer": [
        "an"
      ],
      "options": [
        "a",
        "an",
        "the"
      ],
      "why": "Use the article that matches whether the noun is general, specific or mentioned for the first time.",
      "whyRu": "Выбирайте артикль по смыслу: общее значение, конкретный предмет или первое упоминание."
    },
    {
      "id": "course-articles-example-upload-06",
      "mode": "fill",
      "prompt": "He bought ___ new laptop yesterday. (article)",
      "answer": [
        "a"
      ],
      "why": "Use the article that matches whether the noun is general, specific or mentioned for the first time.",
      "whyRu": "Выбирайте артикль по смыслу: общее значение, конкретный предмет или первое упоминание."
    },
    {
      "id": "course-articles-example-upload-07",
      "mode": "fill",
      "prompt": "Could you pass me ___ salt? (article)",
      "answer": [
        "the"
      ],
      "why": "Use the article that matches whether the noun is general, specific or mentioned for the first time.",
      "whyRu": "Выбирайте артикль по смыслу: общее значение, конкретный предмет или первое упоминание."
    },
    {
      "id": "course-articles-example-upload-08",
      "mode": "fill",
      "prompt": "This is ___ easiest exercise in the book. (article)",
      "answer": [
        "the"
      ],
      "why": "Use the article that matches whether the noun is general, specific or mentioned for the first time.",
      "whyRu": "Выбирайте артикль по смыслу: общее значение, конкретный предмет или первое упоминание."
    },
    {
      "id": "course-articles-example-upload-09",
      "mode": "fill",
      "prompt": "My sister wants to become ___ engineer. (article)",
      "answer": [
        "an"
      ],
      "why": "Use the article that matches whether the noun is general, specific or mentioned for the first time.",
      "whyRu": "Выбирайте артикль по смыслу: общее значение, конкретный предмет или первое упоминание."
    },
    {
      "id": "course-articles-example-upload-10",
      "mode": "fill",
      "prompt": "We visited ___ museum you recommended. (article)",
      "answer": [
        "the"
      ],
      "why": "Use the article that matches whether the noun is general, specific or mentioned for the first time.",
      "whyRu": "Выбирайте артикль по смыслу: общее значение, конкретный предмет или первое упоминание."
    },
    {
      "id": "course-articles-example-upload-11",
      "mode": "fix",
      "prompt": "Correct the sentence: She is an university student.",
      "answer": [
        "She is a university student."
      ],
      "options": [
        "She is a university student.",
        "She is an university student.",
        "She is the university student."
      ],
      "why": "Use the article that matches whether the noun is general, specific or mentioned for the first time.",
      "whyRu": "Выбирайте артикль по смыслу: общее значение, конкретный предмет или первое упоминание."
    },
    {
      "id": "course-articles-example-upload-12",
      "mode": "fix",
      "prompt": "Correct the sentence: I bought the book yesterday. It was a very useful book.",
      "answer": [
        "I bought a book yesterday. It was a very useful book."
      ],
      "options": [
        "I bought a book yesterday. It was a very useful book.",
        "I bought the book yesterday. It was a very useful book.",
        "I bought an book yesterday. It was a very useful book."
      ],
      "why": "Use the article that matches whether the noun is general, specific or mentioned for the first time.",
      "whyRu": "Выбирайте артикль по смыслу: общее значение, конкретный предмет или первое упоминание."
    },
    {
      "id": "course-articles-example-upload-13",
      "mode": "fix",
      "prompt": "Correct the sentence: Moon looks beautiful tonight.",
      "answer": [
        "The moon looks beautiful tonight."
      ],
      "options": [
        "The moon looks beautiful tonight.",
        "A moon looks beautiful tonight.",
        "Moon looks beautiful tonight."
      ],
      "why": "Use the article that matches whether the noun is general, specific or mentioned for the first time.",
      "whyRu": "Выбирайте артикль по смыслу: общее значение, конкретный предмет или первое упоминание."
    },
    {
      "id": "course-articles-example-upload-14",
      "mode": "fix",
      "prompt": "Correct the sentence: He is a best player on the team.",
      "answer": [
        "He is the best player on the team."
      ],
      "options": [
        "He is the best player on the team.",
        "He is a best player on the team.",
        "He is an best player on the team."
      ],
      "why": "Use the article that matches whether the noun is general, specific or mentioned for the first time.",
      "whyRu": "Выбирайте артикль по смыслу: общее значение, конкретный предмет или первое упоминание."
    },
    {
      "id": "course-articles-example-upload-15",
      "mode": "fix",
      "prompt": "Correct the sentence: Can you open a door? It is the only door in the room.",
      "answer": [
        "Can you open the door? It is the only door in the room."
      ],
      "options": [
        "Can you open the door? It is the only door in the room.",
        "Can you open a door? It is the only door in the room.",
        "Can you open an door? It is the only door in the room."
      ],
      "why": "Use the article that matches whether the noun is general, specific or mentioned for the first time.",
      "whyRu": "Выбирайте артикль по смыслу: общее значение, конкретный предмет или первое упоминание."
    },
    {
      "id": "course-articles-example-upload-16",
      "mode": "scenario",
      "prompt": "Introduce your profession.",
      "answer": [
        "I am a designer."
      ],
      "options": [
        "I am a designer.",
        "I am the designer.",
        "I am an designer."
      ],
      "why": "Use the article that matches whether the noun is general, specific or mentioned for the first time.",
      "whyRu": "Выбирайте артикль по смыслу: общее значение, конкретный предмет или первое упоминание."
    },
    {
      "id": "course-articles-example-upload-17",
      "mode": "scenario",
      "prompt": "Ask someone to close the specific door behind them.",
      "answer": [
        "Could you close the door, please?"
      ],
      "options": [
        "Could you close the door, please?",
        "Could you close a door, please?",
        "Could you close door, please?"
      ],
      "why": "Use the article that matches whether the noun is general, specific or mentioned for the first time.",
      "whyRu": "Выбирайте артикль по смыслу: общее значение, конкретный предмет или первое упоминание."
    },
    {
      "id": "course-articles-example-upload-18",
      "mode": "scenario",
      "prompt": "Mention an apple for the first time.",
      "answer": [
        "I bought an apple."
      ],
      "options": [
        "I bought an apple.",
        "I bought a apple.",
        "I bought the apple."
      ],
      "why": "Use the article that matches whether the noun is general, specific or mentioned for the first time.",
      "whyRu": "Выбирайте артикль по смыслу: общее значение, конкретный предмет или первое упоминание."
    },
    {
      "id": "course-articles-example-upload-19",
      "mode": "scenario",
      "prompt": "Describe something as the most useful option.",
      "answer": [
        "This is the most useful option."
      ],
      "options": [
        "This is the most useful option.",
        "This is a most useful option.",
        "This is most useful option."
      ],
      "why": "Use the article that matches whether the noun is general, specific or mentioned for the first time.",
      "whyRu": "Выбирайте артикль по смыслу: общее значение, конкретный предмет или первое упоминание."
    },
    {
      "id": "course-articles-example-upload-20",
      "mode": "scenario",
      "prompt": "Say that you play a musical instrument.",
      "answer": [
        "I play the guitar."
      ],
      "options": [
        "I play the guitar.",
        "I play a guitar.",
        "I play guitar the."
      ],
      "why": "Use the article that matches whether the noun is general, specific or mentioned for the first time.",
      "whyRu": "Выбирайте артикль по смыслу: общее значение, конкретный предмет или первое упоминание."
    }
  ]
}