专四题库
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专四
During the process of the experiment, he underwent __________．
2011-10-18
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单选题
专四
He speaks English so fluently as if he __________ English in England.
2011-10-18
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单选题
专四
This cage is too small, and the animals have nothing to do all day but __________ inside r
2011-10-18
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单选题
专四
Reading is to the mind __________ food is to the body.
2011-10-18
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