CHOOSE THE CORRECT WORD OR PHRASE. 1.You _can039;t/don039;t have to_ change

CHOOSE THE CORRECT WORD OR PHRASE.
1.You _can't/don't have to_ change the school uniform, even if you want to!
2.You _mustn't/can't_ forget to follow the school rules.
3.You _don't have to/shouldn't_ be late for your lessons
4.You _mustn't/don't have to_ wear black shoes, but you can.
5.You _must/can_ wear a shirt with short sleeves in the summer if you want to.