3. Last week some (志愿者) worked in the zoo.

2. Helen didn't finish her homework because of her (头痛) .

根据句意及所给汉语提示，写出句中所缺单词。

1. Does this kind of animal have two(胃) ?

15. Her uncle is a d person. Thirty years ago he lost both his arms.

14. Molly r to her home after many years of traveling.

13. Alice likes playing the piano,but she h playing the guitar.

12. We all felt excited because we b them in the basketball match.

11. 1 didn't have enough money to buy the computer,so Mike 1 me some.

10. My cousin h his head in an accident.

9. Both Sam and Tom like this kind of bike,but n of them bought one.