单项选择题

You are only allowed to do ______ you have been told to do.

A．how
B．after
C．what
D．when
<上一题 目录 下一题>
热门 试题

单项选择题
You are not allowed to park you car here. If you ______ it here, I will call the police.
A．do park
B．park
C．parked
D．have parked
单项选择题
—I feel much better now.—______.
A．Oh, that's very nice of you
B．Congratulations
C．It's a pleasure
D．Oh. I'm glad to hear that
相关试题