用所给词的适当形式填空。

1.Kate often ________ (watch) TV at home, but this evening she ______

(watch)a new play at the theatre.

2.I hope there will be less _________(pollute) in the near future.

3.His father_________(not be) back in a week.

4.Li Ping is a nice boy. He always __________(reach) school early.

5.I ________(study)in high school ten years ago and now I ________(be)a

teacher.