Sir, you ________ be sitting on the seat．It is for women and children only．

试卷相关题目

• 1I ________ him somewhere before.

  A.must have met

  B.can have met

  C.need have met

  D.must meet

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• 2You may ______ whenever you have difficulty.

  A.ask us help

  B.asked for help

  C.to ask us help

  D.ask for help

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• 3As in other countries, the cities of China were usually ________ where they ________.

  A.found; need

  B.founded; were needed

  C.founded; needed

  D.found; needed

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• 4I was not able to persuade him to stay． I ________have been kinder to him．

  A.might

  B.would

  C.could

  D.should

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• 5In those days, the old woman ________ sit at the door for hours, waiting for her son to return from abroad.

  A.could

  B.should

  C.might

  D.would

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• 6Hurry up! Your mother ________ for you now.

  A.must be waiting

  B.can be waiting

  C.could wait

  D.must wait

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• 7Could we go in and visit this house? Yes, you ________ .

  A.will

  B.could

  C.may

  D.might

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• 8The flowers are all dry, you _____ have watered them frequently.

  A.must

  B.may

  C.ought to

  D.will

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• 9You ________ your parents for advice in future.

  A.should ask

  B.have asked

  C.would ask

  D.had asked

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• 10It is necessary that I __________return it this morning.

  A.can

  B.have to

  C.must

  D.should

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