5.   只要你完成家庭作业，你就可以看会儿电视。

-You can watch TV for a while__________ ________________ _________ you finish your homework.

4.   只要明天天气好，我们就去公园。

We'll go to park____________ ___________ __________ it's fine tomorrow.

—As long as it____________ .

A. don't rain      B. doesn't rain

C. rains          D. isn't rain

(   ) 2. ―We will certainly enter a good high school      we work hard.

      —Yes. Our dream will come true by working hard.

A. as soon as               B. as long as

C. as far as                D. even if

(   ) 1. You may take this book away____________  you return it on time.

A, as soon as                     B. so possible as

C. as long as                     D. as far as

5.   Though my grandpa is over 80 years old, but he's still healthy.(改错）

 My car is very old,____________   I don't want to buy a new one.

(   ) 3. ―What do you think of this song?

―__________ it is not very popular,I enjoy it.

A. If      B. When

C. Because   D. Though

(   ) 2. Her grandfather lives a simple life____________ he has much money. 

        A. because        B. so

 C. though         D. if

（  ）1.________it is raining hard, they arc still working in the open air.

A. Because        B. When

C. Though         D. Before