用括号中所给词的适当形式填空
1. He spent two hours _(do) his homework.
2. He is a famous_____(piano).
3.When were you______(birth)?
4.How many______ (play) are there in a football team?
5. The movie______ (call) Harry Potter is my favorite.
6.Can you hear a girl ______ (cry)in the next room?
7.Who was the first one______( reach)the top of the mountain?
8. Deng Yaping ______(join) the national table tennis team in 1988.
9. We all stopped______ (talk) when our English teacher came in.
10. She____ (start)ice skating when she was six.