— The woman biologist stayed in Africa studying wild animals for 13 years before she returned. — Oh, dear! She _____ a lot of difficulties!

试卷相关题目

• 1When I was young, I was told that I _____ play with matches.

  A.wouldn't

  B.needn't

  C.mustn't

  D.daren't

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• 2— Mum, I've been studying English since 8 o'clock. _____ I go out and play with Tom for a while? — No, I'm afraid not. Besides, it's raining outside now.

  A.Can't

  B.Wouldn't

  C.May not　　　

  D.Won't

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• 3If the dog hadn't woken us, we wouldn't have noticed the fire and it _____ to the house next door.

  A.could spread

  B.should have spread

  C.would spread

  D.might have spread

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• 4— Did you go to the open-air concert?— No. We ____. but we spent too much time shopping.

  A.could have gone

  B.must have gone

  C.can't have gone

  D.shouldn't have gone

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• 5You ____ be hungry yet; you had a big cake only an hour ago.

  A.may not

  B.mustn't

  C.can't

  D.needn't

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• 6According to the school rules, no student _____ go out of the school after nine o'clock at night without the teacher's permission.

  A.shall

  B.will

  C.must

  D.may

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• 7Students _____ remain in their seats until all the papers have been collected.

  A.may

  B.shall

  C.need

  D.can

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• 8My cell-phone has disappeared. Who ____ have taken it away?

  A.could

  B.should

  C.must

  D.might

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• 9He has no idea what the book is about. He _____ have read it very carefully.

  A.needn't

  B.shouldn't

  C.can't

  D.mustn't

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• 10Please do not feed the fish; they _____ die if they eat too much.

  A.shall

  B.must

  C.need

  D.may

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