问题

I hear a number of workers in the factory out of work.— Yes, and the number _ quite huge.

A:are; is
B:is; are
C:is; is
D:are; are

正确答案是：

同类题型

There was a time in Chinese history________we had to use foreign oil.[ ]

Thebedhasbeen_______inthefamily.Itwasmygreatgrandmother’soriginally.

looks very happy

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____he is, ____ he can do something that grown-ups do. [ ]