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
Is that Sandy speaking? —Sorry, she isn’t in now. She ______the cinema with her aunt.
In America. Chinese Kungfu is popular_____ young people. [ ]
What a loud noise! Oh, look! An airplane is flying ______ us.[ ]
After he finished school, he worked _____ a worker.[ ]
What are you searching the Internet for ? — I am trying to find out _______.