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

正确答案是：

同类题型

_anurse, she knew how to take care of a patient

Children are not recommended to see such films bad for their mental development

once been withdrug dealings, but evidence found laterproved his innocence.

How is it going, John—__________.

I called you at 5:00 yesterday afternoon, but no one answered.—Sorry, I with my parents ________ at that time.