问题

There are many people downstairs. What do you think _____?
A:to happen
B:happening
C:is happened
D:has happened
B:happening
C:is happened
D:has happened
正确答案是:
同类题型
Tom worked for a long time. So he wanted to stop __________.
This is story I’ve told you about several times.—It’s great. I’ve never heardmore moving one.
Do you know our town well?— No, this is the first time I _______ here.
I wondered_____that made him so upset.
I don’t agree with you two. I prefer______ a new car rather than______ it.