问题

Someone is knocking on the door. Is it Nancy—It be Nancy. She has gone to Shanghai on business.

A:mustn’t
B:can’t
C:may not
D:will not;

正确答案是：

同类题型

Nowair pollution.

Both pianos and violins are musical ________used a lot in Western music.

下列各组加横线词的意义完全相同的一项是（）

You didn’t go to school yesterday, did you —_____ , though there was a heavy rain.

The cars give off a great deal of waste gas in the streets.—Yes. But I’m sure something will be done to 　　　　air pollution.