问题

______the boy has already corrected his mistake, we should not punish him any more

A:Since
B:Until
C:Unless
D:Although

正确答案是：

同类题型

I’m ____ heavier than my brother.

She didn’t go to work ______ that morning.She slept ______ noon.

The research on the new flu virus vaccine is challenging and demanding. Who do you think can do the job?—_______ my students have a try?

Please call Tom ____0811-65784

es in a _____ city, I mean in a citythat is ______ ．