One of the requirements for a fire is that the material _________ to its burning temperature.

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• 1–Would you mind if I ______ here? –______. It's not allowed.

  A.smoke; Yes, please

  B.smoked; You'd better not

  C.smoke; That's all right

  D.smoked; You are welcome

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• 2If the earth stopped moving, everything _____.

  A.would disappear

  B.disappeared

  C.will disappear

  D.disappears

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• 3 Days later, I tried to get my sister to tell me what was going on, but she ________ say anything.

  A.mustn't

  B.shouldn't

  C.wouldn't

  D.mightn't

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• 4—Do you think George has passed the driving test? —No. If so, he ______ his car to our college yesterday.

  A.would drive

  B.drove

  C.would have driven

  D.had driven

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• 5 Why ________ it get colder when we climb up a mountain? We are getting nearer to the sun!

  A.ought to

  B.would

  C.should

  D.must

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• 6I don't speak any French. I wish I _______ harder when I was at school.

  A.had worked

  B.worked

  C.would work

  D.work

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• 7----If a new difficulty ______, what would we do ? -----Don't hesitate to turn to us .

  A.is arisen

  B.will be arisen

  C.arose

  D.would arise

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• 8 I ________ to my cousin's birthday party last night, but I was not available.

  A.went

  B.had gone

  C.would go

  D.would have gone

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• 9I ______ Peter with his work, but I had a lot of things to do myself.

  A.must have helped

  B.should have helped

  C.needn't have helped

  D.can't have helped

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• 10If you had lived in the Middle Ages，you ________the chance to appreciate the art works of Leonardo da Vinci.

  A.won't have had

  B.wouldn't have

  C.wouldn't have had

  D.mustn't have had

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