1. 用方框里所给的短语的适当形式填空。

have a picnic     have a party     have a piano    clean the room    wash the clothes

1. （1） We are going to  at a friend's home at the weekend.

3. （2） The girl  lesson every week.

5. （3） Do you often help your mother ?

7. （4） Lingling is going to , because they are very dirty.

9. （5） The boys often  in the park.