1. 根据汉语提示完成句子

1. （1） The students take turns to （打扫）their classroom.

3. （2） As Mrs. Green has not arrived, we have to （推迟）the meeting.

5. （3） （振作起来）! Your dream will come true soon.

7. （4） Mr. Black can often （想出）interesting games for the kids to play.

9. （5） They're organizing a talent show to （筹款）for charity.

11. （6） Could you help me to （分发）these new books?

13. （7） My mother （过去常常）have long hair, but now she has short hair.