Task 2 Complete with must or should.

1) I ( ) be at home at 10 o’clock.
2) You get her this one.
3) They not use their phones at school. It against the rules.
4) You go to the doctor. You are ill.
5) You learn this rules.
6) You are good at singing. You join a band
7) You not go to the river. It is dangerous.
мне сегодня надо сдать!ПОЖАЛУЙСТА ПОМОГИТЕ ​