问题

Willyou stay for some more days? —Sorry,I_____. My mother called to ask me to go back at once.

A:mustn’t
B:may not
C:can’t
D:wouldn’t

正确答案是：

同类题型

My uncle isn’t _____ at the moment.

To our relief, Xiaodan as well as the other children who ______ no parents ______ good care of in the welfare institute

It there anyone in your class ______family is in the country?

When ______ the 24th Winter Olympic Games ______ in Beijing– In 2022.

下列各句中，表达得体的一句是（）