问题

_____ what he can do He might get a jobtomorrow He might stay out of work for weeks

A:While
B:Since
C:Before
D:Unless

正确答案是：

同类题型

As we all know, it’s not polite to keep others______for a long time.

What should we do since we can’t make acompromise after lengthy talks.— ____ you apologize and take back whatyou’ve said _____ it is all over between us.

下列各句中，表达得体的一句是（）

How much you earn is not very importantIt is how you earn the moneythat _____

More expressways in Sichuan soon to promote the local economy.