根据括号内所给单词的适当形式填空。

1. Look! She _____(hiccup).

2. Tom _____(bear) in 2001.

3. Who is _____(young) in your family.

4. The apple is high for me _____(reach).

5. My sister _____(become) a worker 5 years ago.  

6. My friend _____(sneeze) for 15 days.

7. Deng Yaping is a Chinese _____(gymnast).

8. She wanted _____(became) a teacher when she was a child.

9. Li ping _____(win) first prize in competition.

10. My little brother began _____(learn) English at the age of three.