1. (2017七上·深圳期中) 用括号中所给词的正确形式填空

1. （1） We must not let the dirty water (pollute) the water.
3. （2） Air (have) no smell and color.
5. （3） Mike is my (old) brother. He is also kind to me.
7. （4） Kevin's (day) life is colorful and interesting .
9. （5） Break (end) at 10:10 a.m.
11. （6） Different people have different (hobby)
13. （7） Chinese are (friend) and hardworking .
15. （8） Help (you) to some fish , boys and girls !