1. (2017八下·江苏月考) 根据词形和汉语注释，写出单词的正确形式

1. （1） If you don't go on a diet, it's (possible) for you to lose weight.
   

3. （2） He has been (die) since ten years ago.

5. （3） The water (pollute) is becoming more and more serious in this area.

7. （4） He is (exact) the man the police are looking for these days.