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

He hurried back home________ his schoolbag.

Just as one of the parents ____ it, students today are under far greater stress than ever.

I feel like________ there.—I would rather you_________ there.[ ]

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There _______ a football match this evening.—Exciting news.