There is a mistake in each sentence . find it and correct . : 1. what a nice weather we are having today! 2. what did he say you? 3. you must do something about your hairs! 4.he didn't take nothing with him 5. his brother left school the last year 6. there is very cold here

1. What a nice weather we have today!
2. What did he say to you?
3. You must do something about your hair!
4.he didn't take anything with him
5. His brother left school last year
6. It is very cold here