finish
are finished
have finished
are finishing
第1题：
What I should do is the task soon.
A、to finish
B、finished
C、be finished
第2题：
“Must I return the book to the library in a week?”“No, you.”()
A. couldn’t
B. mustn’t
C. needn’t
D. won’t
第3题：
I am often asked whether I regret __________my PhD project.
A no to finish
B． not have to finish
C． having not finished
D． not having finishing
第4题：
A.Must; needn’t
B.Can; can’t
C.May; mustn’t
D.Can; mustn’t
第5题：
The homework _____ before eight o'clock.
A、finish
B、finishes
C、was finished
D、are finished
第6题：
A、finish
B、finished
C、finishing
D、to be finished
第7题：
Student: How long can I have these books?
Librarian: This one is on the three-hour-loan; you may have it for only three hours ______.
A: The others are due in 30 days, on February 3.
B: You may have it longer if you like.
C: Drop the books into the RETURN boxes by the library entrance.
D: The fine for overdue books is 5 dollars an hour.
第8题：
What did you () my book? I can't find it.
A、do about
B、do with
C、leave
D、put
第9题：
A.will be finished
B.is finished
C.be finished
D.may be finished
第10题：
By the time Robert()writing the first draft of his paper, most of the other students will be completing their final draft.
A、finishes
B、has finished
C、finished
D、finishing