1. 用所给词的正确形式填空

1. （1） We don't allow (play) cards in our house.
   

3. （2） Why not  (help ) your parents?

5. （3） You'd better  (open ) the door.
   

7. （4） Let's  (communication ) with the old man.
   

9. （5） I don't have any free time (do) things I like.