9.Complete the sentences with mustn't или needn't.
Example:You...water the plants,I have arleady watered them.-You needn't water the plants,I have arleady watered them.
1.You...make noise after 11 pm.
2.I...do homework today.I haven't got any.
3.She...wear a school uniform.Wearing a uniform isn't necessary at her school.
4.We...bring pets to school.
5.I...get up early tommorrow.I don't go to school of Saturdays.
6.We...use mobile phones in the lessons.