问题

! It’s not the end of the world. Let’s try again.

A:mustn’t; can
B:can’t; can
C:needn’t; must
D:don’t have to; may;

正确答案是：

同类题型

_____ I admit that all these problems are difficult, I don’t agree that they cannot be solved

Can I help you, boy—Yes. There is ________ wrong with my bike.

________ that saw a lot ofclose matches in the 16th Asian Games in November, 2010

We will wait until everyone_______ back.

They asked to be treated equally other people in all ways