问题

You that late last night. It was harmful to your health.[ ]

A: mustn't have worked
B: shouldn't have worked
C: can't have worked
D: mightn't have worked

正确答案是：

同类题型

How’s your tour around the North Lake? Is it beautiful?—It __________ be, but it is now heavily polluted.

y ways, the education system in the US is not very different from _________in the UK.

下列各项中没有语病的一项是（）

_____ do you go to the zoo with your brother—Three times a month.

The machine I have looked after for twenty years is still working well.