The biggest problem for most plants, which _______ just get up and run away when threatened, is that animals like to eat them.

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• 1Now then, children, Its time you ________.

  A.were washed and dressed

  B.washed and dressed

  C.are washed and dreesed

  D.washed and dress

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• 2There was plenty of time.He ________ .

  A.couldn’t have hurried

  B.mustn’t hurry

  C.needn’t have hurried

  D.can’t have hurried

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• 3At last he ______ finish the work ahead of time.

  A.could

  B.was able to

  C.could have done

  D.would have been able to

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• 4I can hear the Browns' phone bell ringing but no one is answering it; they _______ be at home.

  A.would

  B.might

  C.needn't

  D.can't

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• 5The teacher demands that she ______  her test papers within ten minutes．

  A.turn in

  B.hands in

  C.have turned in

  D.has handed in

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• 6. — What does the sign over there read? —“No person __________ smoke or carry a lighted cigarette，cigar or pipe in this are

  A.”A.will

  B.may

  C.shall

  D.must

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• 7I _________ you, but I was busy all the time yesterday afternoon.

  A.could help

  B.had helped

  C.helped

  D.could have helped

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• 8—Is Jack on duty today? —It __________ be him. It’s his turn tomorrow.

  A.mustn’t

  B.won’t

  C.can’t

  D.needn’t

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• 9It would be very safe if you_________ the door_________ to the garden.

  A.fasten;led

  B.will fasten;leads

  C.fastened;leading

  D.fastened;to lead

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• 10.—You ____ have set aside more time to play with our kids. —I wish I ______, but you know how busy I was.

  A.should, would

  B.could, did

  C.might, should

  D.should, had

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