单项选择题

You （）him so closely; you should have kept your distance．

A.shouldn’tfollow
B.mustn’tfollow
C.couldn’t have been following
D.shouldn’t have been following

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单项选择题
It （）quite a few years （）the accused was declared innocent and set free．

A.was；since
B.is；that
C.will be；when
D.was；before
单项选择题
In fact Peter would rather have left for San Francisco than （）in New York．

A.to stay
B.stayed
C.stay
D.having stayed
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