39．A．But B．Before C．Since D．Until——青夏教育精英家教网——

摘要：39．A．But B．Before C．Since D．Until

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The fire was finally brought under control, but not ________ heavy damage had been caused．

before

after

since

until

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I'm sorry you've been waiting so long, but it'll still be some time _______ Sundance gets back.

A．until

B．before

C．after

D．since

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I warned him of the slippery road, but he fell on fours ________ I finished my words．

as

before

until

since

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Someone called me up in the middle of the night, but they hung up ______ I could answer the phone.

A．as

B．since

C．until

D．before

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Someone called me up in the middle of the night, but they hung up ______ I could answer the phone.

A．as

B．since

C．until

D．before

查看习题详情和答案>>