1. You mustn’t wear high heels on the cruise ship.
2. You must be a member to enter Winslow Club.
or
You have to be a member to enter Winslow Club.
3. You mustn’t wear outdoor shoes in the sport halls.
4. You mustn’t take of your T-shirt in the cafe.
5. You must loose some weight.
or
You have to loose some weight.
6. You must wear a tie in the restaurant.
or
You have to wear a tie in the restaurant.
sper ca e bine