1.他对数学很感兴趣。

He ______very ____ ______ math.

5.My sister is playing with her dolls.(three hours)

My sister_______________________________________

4.Bill began to talk on the phone five minutes ago.

Bill______________________________________________

3.They moved here in 1993(live)

_________________________________________________

2.He began to make model planes when he was seven.

He______________________________________________

1.I knew him last year.I______________________________

8.I’d like to start a club.(变一般疑问句)

7.He likes swimming very much.(同义句)

He ____ _____ _____ swimming.

6.I finished writing my test.(变否定句)

5.I’ve been skating since I was seven years old. (对划线部分提问)