问题
____you stepped into the lab with yourshoes on You are supposed to take them off before you enter it.
A:build up
B:How about
C:How dare
D:How long
B:How about
C:How dare
D:How long
正确答案是：
同类题型
I am sorry, but I didn’t mean to keep you waiting here so long. Can you ________ me
You can use MSN to talk with Vivien on the Internet. — I know. But can you tell me ________
g _______ evidence, the police couldn’t arrest the man.
Are you sure you have to do this now It’s been very late.—I don’t know to do it if not now.