31. The instructor had gone over the problems many times before the students _____the final examination.
A. will take
B. took
C. take
D. would take
32. The sports meeting _____ in October,1989.
A. was held
B. would be held
C. has been held
D. were held
33. The tickets _____ when I got there.
A. were selling out
B. had been sold out
C. have been sold out
D. were held
34. Apples _____ to be sweeter than oranges.
A. are said
B. are being said
C. is being said
D. were said
35. Mr.Smith _____ to Europe on a special mission.
A. had been sending
B. were sent
C. is being sent
D. was sending
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