用括号中所给词的适当形式填空。

1. My friend called me yesterday. We______ (chat) for hours.

2.1 forgot ______ (look) the door when I left.

3. He hasn't ______ (finish) cleaning out the refrigerator yet.

4.1 have to go back home now, because I have______ (leave) my English book.

5. Have you______ (hear) the new song?  It's really good.

6. A bullet______ (hit) him on the leg yesterday.

7. The famous singer is______ (appear) this fall at the Music Festival.

8. Who is playing the______ (leader) in the play?

9. This village______ (water) by deep wells.

10. He was______ (chop) wood for fire.