题目内容：

根据句意和汉语注释，写出单词的正确形式。

1.What a terrible painting! This is the______ (丑陋的)painting I’ve ever seen.

2.She is very organized and often _______(放松) from time to time so that she always has enough energy to study well.

3.The building ________(在…的对面) the post office is a famous Chinese restaurant.

4.The boss didn’t stop his factories from putting their ___(废弃物) into the river.