17．Please_________ __________the paper on the ground．(请捡起地上的纸)

16．China____________ __________to other countries．(中国对其他国家很友好)

15．National Day is on____________(十月)First．

14．We must love the____________(地球)．　

13．A good________(性格)is half of success．

12．There are 400________(乘客)on the plane．

11．We should read more books for a___________(现代的)life．

10．Our teachers are s___________ with us．

9．I want to walk in space，so I hope to be an a________．

8．In the garden，we can’t p_________ flowers．