问题
Mom, can I go out and play with my friends now?—No, honey, you can’t _____ you haven’t recovered from the knee injury
A:until
B:before
C:as
D:unless
B:before
C:as
D:unless
正确答案是：
同类题型
I’m sorryI ___________ at you the other day— Forget itI was a bit out of control myself
It was because he was seriously ill _________ he was late for school.
MrSmith insists on doing some running even __ a cold morning
man who’s carrying a baby in herarms, _________aboard firstDon’t crowd in!
My brother likes to make friends with people who have a positive to life.