I. 用括号中所给词语的适当形式填空。
1. They made the final _____________ (decide) at the end the end of the meeting.
2. Everyone wants a _____________ (peace) environment. Is that so?
3. Mr. Zhou looked at hi s son ___________ (angry) and said nothing at all.
4. The policemen caught the two ___________ (thief) at the railway station.