Вопрос:

Unit 17. Modal verbs. Can. Could. Be able to 1. Choose the correct option. 1. Animals can/ could travel a long way to find food. 2. Most dogs can't/ couldn't see the difference between red and green. 3. Often during World Wars I and II, people can't/ were not able to find survivors. 4. However, dogs will be able/ were able to find them. 5. In the future, scientists can/ will be able to make robots to replace people in dangerous situations. 2. Put the words in the correct order. 1. bottle / open / I / can't / this.. 2. remember / He/my/couldn't/ name. 3. at / 8 / Can / we / meet?.. 4. questions / She / answer / my / couldn't.. 5. play / I / chess / can't.. 6. I / text / a message / to / will be able to / you... 3. Circle the correct option/ options. 1. I............... use my mobile here-it doesn't work. A) can B) can't C) couldn't D) wasn't able to 2. In 1998, 20% of the world's population..........not write. A) can B) can't C) could D) was able to 3. The box was very heavy- I............... carry it. A) will be able to B) was able to C) could D) couldn't

Ответ:

1. Choose the correct option.

  1. Animals can travel a long way to find food.
  2. Most dogs couldn't see the difference between red and green.
  3. Often during World Wars I and II, people were not able to find survivors.
  4. However, dogs will be able to find them.
  5. In the future, scientists will be able to make robots to replace people in dangerous situations.

2. Put the words in the correct order.

  1. I can't open this bottle.
  2. He couldn't remember my name.
  3. Can we meet at 8?
  4. She couldn't answer my questions.
  5. I can't play chess.
  6. I will be able to text you a message.

3. Circle the correct option/ options.

  1. 1. I can't use my mobile here-it doesn't work.
  2. 2. In 1998, 20% of the world's population could not write. (Assuming the missing word is 'couldn't' or 'could not' to fit the past tense context. Based on the options provided, 'couldn't' is the most fitting modal verb for inability in the past.)
  3. 3. The box was very heavy- I couldn't carry it.

Ответ: 1. can; 2. couldn't; 3. were not able to; 4. will be able to; 5. will be able to. 1. I can't open this bottle. 2. He couldn't remember my name. 3. Can we meet at 8? 4. She couldn't answer my questions. 5. I can't play chess. 6. I will be able to text you a message. 1. B) can't; 2. C) could; 3. D) couldn't.

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