问题

There is some doubt _____ theconcert will be held as the company intends to redecorate the stadium nextweek —What a pity!

A:be solved
B:to solve
C:solved
D:being solved

正确答案是：

同类题型

This restaurant wasn’t that other restaurant we went to.

I think maths is not ________ science.

______ all the stories, I think the first story is ______ one.

Not until I came home last night _____to bed

My dream is to be a well-known movie star.—I believe you ________ your dream if youkeep on working hard.