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科目： 來源：不詳 題型：單選題


There must be a time in every man’s lif ________.m
A．that he is in low spiritsB．which he is in low spirits
C．when he is in low spiritsD．then he is in low spirits

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科目： 來源：不詳 題型：單選題


She _______ have left school, for her bike is still there.
A．can’tB．wouldn’tC．shouldn’tD．needn’t

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科目： 來源：不詳 題型：單選題


. ---The train hasn’t come yet. It is half an hour late.
--- Yes. It __________ here at 2:02 as scheduled.
A．must have beenB．should beC．should have beenD．must be

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科目： 來源：不詳 題型：單選題


The light is still on. He _____ to turn it off when he _____ the room.
A．may forget: leaveB．must have forgotten : left
C．may forget : have leftD．could have forgotten : left

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科目： 來源：不詳 題型：單選題


. If the water hadn’t been drained out of the mine, no miners _______ alive now.
A．will beB．would have beenC．would beD．have been

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科目： 來源：不詳 題型：單選題


He ________ the window of our classroom yesterday because he didn’t come to school．           
A．mustn’t have brokenB．mightn’t have broken
C．shouldn’t have brokenD．couldn’t have broken

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科目： 來源：不詳 題型：單選題


．—Margaret ______ stay at home all day long in front of the TV.
—That’ s right．She ought to go to the fitness center with us.
A．couldn’tB．mustn’tC．needn’tD．shouldn’t

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科目： 來源：不詳 題型：單選題


Only when ____hard____make your dream come true. 
A．do you work, you canB．you work ,you can
C．do you work , can youD．you work, canyou

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I don’t really want to make the appointment, I suppose I ____.
A．shouldB．mustC．willD．need

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科目： 來源：不詳 題型：單選題


He failed in finding the job. I think that he _____to get some
more qualifications before applying for the job.
A．should have triedB．must have tried
C．might have triedD．needn’t have tried

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