Complete the sentences with must or mustn't.

You              brush your teeth three times a day.
You              forget to do your homework regularly.
You             be nice to your classmates.
You              wear warm cothes when it is cold outside.
You              chew gum in class.
You              study hard if you want to pass your exams.
You             fight with your classmates.
You             play football in the classroom.
You             listen to your teacher very carefully.
You             forget your best friend's birthday.
You              be rude to your grandparents.
You              go to the dentist's twice a year.
You              stay in bed when you are ill.
You            feed zoo animals.
You            do your online exercises.
встав те плиз
помогите и не писать делай сам и т.п. 

спасибо большое

удачи ✌

спасибо

1. must brush2. mustn't forget3. must be nice4. must wear5. mustn't chew6. must study7. mustn't fight8. mustn't play9. must listen10. mustn't forget11. mustn't be rude12. must go13. must stay14. mustn't feed15. must do