问题

There is somebody knocking at the door. Who it be–I’m not sure. It be a postman.

A:may; must
B:will; can
C:can ; may
D:may ; will;

正确答案是：

同类题型

The girl was born May,1991and came to Tianjin October10,2003

I think the result must him very much.

Are you going to see the latest film Alice’s Adventure in Wonderland 2 with us—No, thanks. I __________ it.

I would have come earlier, but I 　　　　that you were waiting for me.

I rang you at about nine, but there was no reply.—Oh, that was probably I was seeing the doctor.