There are many people downstairs.What do you think _____ A.to happen B.happening C.is happened D.has happened 选哪一个?为什么?

问题描述:

There are many people downstairs.What do you think _____
A.to happen B.happening C.is happened D.has happened 选哪一个?为什么?

D
C,happen没有被动语态,肯定不是,A,不定式通常表示将来或目的,B,-ing表示进行或主动,

选择D翻译 在楼下有许多人,你认为什么事情已经发生了,do you think是插入语,你看what has happened就可以