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科目： 來(lái)源：不詳 題型：單選題


To compete more effectively with others，it is time that university students       to study
abroad after graduation．
A．triedB．a(chǎn)re tryingC．tryD．will try

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科目： 來(lái)源：不詳 題型：單選題

They ______ the train to Beijing．Otherwise, they would have returned home．
A．need have caughtB．must have caught
C．must catchD．may catch

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科目： 來(lái)源：不詳 題型：單選題


Persons under 16        not be employed in our country．
A．shallB．canC．mayD．will

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科目： 來(lái)源：不詳 題型：單選題


—You ought to have called him yesterday．
—Yes，I know I       ．
A．ought toB．have toC．should haveD．must have

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科目： 來(lái)源：不詳 題型：單選題


8. There’s no light on; they _____ be at home.
A．can’tB．mustn’tC．needn’tD．shouldn’t

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科目： 來(lái)源：不詳 題型：單選題


20. When a stick is partly in a glass of water, it looks ________ it were broken.
A．even thoughB．a(chǎn)lthoughC．a(chǎn)s ifD．so that

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科目： 來(lái)源：不詳 題型：單選題


The weather turned out to be fine yesterday．You __the trouble to carry your raincoat with you．
A．should have takenB．mustn’t have taken
C．could have takenD．needn’t have taken

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科目： 來(lái)源：不詳 題型：單選題


This is her only request that the room ______ after being used.
A．be cleanedB．is cleanedC．will be cleanedD．would be cleaned

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科目： 來(lái)源：不詳 題型：單選題


This book ______ Tom’s father’s, because his name is on the book.
A．maybeB．may be C．must beD．must

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科目： 來(lái)源：不詳 題型：單選題


—She looks very happy. She ______ have passed the exam.
--I guess so. It’s not difficult after all.
A．shouldB．couldC．mustD．might

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