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科目： 來(lái)源：不詳 題型：單選題

Edison asked his father why the hens could hatch eggs ___he couldn’t.
A．a(chǎn)sB．a(chǎn)ndC．whenD．while

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科目： 來(lái)源：不詳 題型：單選題

The roof fell ______ the PLA men had time to rescue the child trapped in the house.
A．untilB．unlessC．before D．because

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科目： 來(lái)源：不詳 題型：單選題

  We considered him to be a true friend, ______did many others whom he had cheated
A．whichB．a(chǎn)sC．whenD．though

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科目： 來(lái)源：不詳 題型：單選題

__________ he is old, the old man still insists on studying at a night school.
A．If B．AlthoughC．When D．Because

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科目： 來(lái)源：不詳 題型：單選題

Aunt Wu is all right ______ her bigger feet.
A．besidesB．exceptC．except forD．except that

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科目： 來(lái)源：不詳 題型：單選題

Our government has taken some measures to overcome the lack of electricity, but it may take some time _____ we have enough power．
A．sinceB．a(chǎn)fterC．unlessD．before

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科目： 來(lái)源：不詳 題型：單選題

______ it is hoped that college students should be equipped with the ability to take a good set of notes, this is not always the case.
A．WhenB．WhileC．AsD．Unless

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科目： 來(lái)源：不詳 題型：單選題

The job is great in terms of salary . It has its disadvantages, _______ .
A．thoughB．howeverC．evenD．therefore

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科目： 來(lái)源：不詳 題型：單選題

Although the old lady has a daughter and two sons ,______ live with her．
A．none of whomB．neither of them
C．a(chǎn)ll of whomD．none of them

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科目： 來(lái)源：不詳 題型：單選題

______, but he insisted that he _____ to school ．
A．Though he was ill , wentB．He was ill, go
C．Having been ill, should goD．Having been ill , went

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