题目内容

They can't leave until they _____ their work.

A. did
B. are doing
C. have done
D. has done

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Now Mike isn't here. He Mr Green's. Perhaps he back in a few minutes.

A. went to; is coming
B. has gone to; will come
C. has been to; will be
D. is going to; has come

That day he ._______ his clothes before he came to see me.

A. has washed
B. washed
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A. have written it
B. have been writing it
C. wrote it
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I will take my daughter with me when I _____ ShangHai,

A. go to
B. will go to
C. have been to
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