5.She’s not beautiful,______ very kind.

4.Jenny has a healthy diet,______ Danny doesn’t.

3. Put on your sweater,____ you’ll catch a cold.

2. In the evening, I read some books, ____my brother dose his homework.

1.I brought a bottle of water with me____ I wouldn’t get thirsty.

5.Her father didn’t go home______ he finished the work.

B. Compound sentence 并列句

并列句包含有两个或多个互不依从的主谓结构. 并列句的分句通常用一个并列连词(如and, but, or, so) 来连接.

4.The elephant is ____ strong ______ it can do heavy work for people.

3.Danny sold his desk-cycle ______ he wanted to make money for a visit to another city.

2._________ it rains, I go to school by bus.

as long as 只要

as还有一些固定结构：

1)as well as　 和……一样

2)as far as　　 就……来说

3)as soon as 一……就

4)as if　　　　　 好像　

1.I’ll tell you the secret _____ you don’t tell anyone else about it.