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
C. had been washing
D. was washed
I haven't finished my composition. I ______ for two hours and a half.
A. have written it
B. have been writing it
C. wrote it
D. am writting it
I will take my daughter with me when I _____ ShangHai,
A. go to
B. will go to
C. have been to
D. have gone to