问题

Who saw it ______ at that time?
A:happen
B:happened
C:happens
D:to happen
B:happened
C:happens
D:to happen
正确答案是:
同类题型
We are having a party ____ eight o’clock ____ the afternoon ____ New Year’s Day. [ ]
_Were you at home last night? _ No. I______to go to the concert.
The film Ju Qi Shou Lai is very funny. It often makes people _______.
Don’t forget to__________ your things when you have finished your homework.—— I won’t, Mum.