For the engine to work, the green button ______ be in the “on” position.

试卷相关题目

• 1 ______ , the forest fire would have been discovered much earlier.

  A.But for their care

  B.Had they been more careful

  C.Without their care

  D.If they were careful

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• 2They urged that measures _______ immediately to protect the endangered animals.

  A.should take

  B.must be taken

  C.would take

  D.be taken

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• 3—Peter didn't come to the meeting this morning. — I _______ him yesterday, but I was too busy and forgot it.

  A.should have told

  B.should tell

  C.had to tell

  D.had told

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• 4He _______ have finished his work; Otherwise, he would．not be enjoying himself by the seaside．

  A.should

  B.must

  C.couldn't

  D.can't

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• 5He insisted that he _______ nothing wrong and that he _______ now.

  A.did, be freed

  B.had done, would be freed

  C.should do, should be freed

  D.should do, was

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• 6If you had come here earlier, the work_______ yesterday.

  A.would have been done

  B.would be done

  C.were to do

  D.were done

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• 7Had I hurried, I ______ the tram.

  A.would catch

  B.could catch

  C.would have caught

  D.had caught

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• 8The children _________ for the accident. After all, they were so young.

  A.should not be to blame

  B.not to be blamed

  C.were not to blame

  D.were to not blame

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• 9—My daughter mastered Japanese in less than two years. —Did she? She ______ have a gift for language.

  A.must

  B.might

  C.should

  D.can

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• 10You look very tired. You _______ late last night.

  A.needn't sit up

  B.didn't need to sit up

  C.shouldn't sit up

  D.needn't have sat up

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