cделайте данные предложения вопросительными

1.She can play chess.
2.He can play hockey.
3.They may go to the cinema.
4.I may open the window.
5.Children and adults must clean their teeth twice a day. (How often…?)
6.Children must go to school. (Where…?)
7.English learners must learn English words every day. (What…?)
8.You should keep your room tidy. (What…?)
9.Children should listen to their parent`s advice.
10.They should be polite.