16.Our English teacher ______ all the exercise books last Friday evening.
A. has corrected B. will correct C. had corrected D. corrected
17.He ______ English for ten years by the time he takes the examination.
A. will have been studying B. would have been studying
C. will study D. studied
18.The report said that the film star ______ to Henan next Sunday.
A. would come B. will come C. came D. would came
19. ---Hello, this is Mr. Green speaking. Can I speak to Mr. Black?
--- Sorry. He the Bainiao Park.
A.has been to B. has gone to C. went to D. will go to
20. I will ask her for the book now, for she ______ plenty of time to read since I lent it to her.
A. has B. has had C. had had D. was having