Напиши,что должны и чего не должны делать дети,используя must и mustn't.

1. The children must go to school every day.

    They must study well to get a good profession.

     The children always must obey their parents.

2. The children mustn\'t come back home late.

    The children mustn\'t smoking!

    They mustn\'t go for a walk in the evening.