并列复合句英语例句

1、I ask him when we＇ll go to the zoo，but he doesn＇t know．

2、Hurry up，or you＇ll miss the film that is very interesting．

3、The man who is standing under the tree is very poor，but he is very helpful．

4、He likes math，and he often help others Who are weak in it．

5、I don＇t believe her，while what she said is true．

6、He doesn＇t know when they will have the meeting，so he call up his friend．

?