1. 根据句意及汉语或首字母提示完成单词

1. （1） Li Tao wants to （自愿）as a helper in the animal hospital.

3. （2） He looked at the  report with a smile of（满意）

5. （3） Engels can speak  （几个）languages, such as English, French and Italian.

7. （4） They want to  （募集）some money for the poor students in their hometown.

9. （5） What do you think of the  （旅行）from Beijing to Xiamen?

11. （6） Jack always stays at home alone, but he doesn't feel l​ 

13. （7） Beijing is one of the biggest c____ in China.​ 

15. （8） I found a wallet on the way home. I want to give it to its o​