中考专题：时间状语从句和条件状语从句学案（无参考答案）

—The first two are free _____ the third costs $30. A.while

B.until

C.when

D.before

4 .—Hobo,can I eat the hamburger? —Sure,if the dishes__________ .

A.wash

B.are washed

C.is washed

D.will be washed

5.—____ you know when an idiom is being used, you can’t easily understand what you read. — I think so.

A. Unless

B. As soon as

C. If

6.I’ll go to play football with my friends after my homework (do) 7.Don’t get off the bus until it (stop). 8.–When will he go to watch the basketball match in the sports centre? --Not until his work (finish)

9.---Do you have any problems if you (choose) to be the host? ---Well, I am thinking about how to introduce each star.

D. When