3 Uzupełnij zdania właściwymi wyrazami z ramki. doesn't have to must mustn't should shouldn't I think you 1 It's not necessary for Joanne to help me. Joanne help me. 2 My advice is to talk to your parents about your problem. talk to your parents about your problem 3 The school rules say: 'No mobile phones in class.' You 2 use mobile phones in class. 4 I don't think it's a good idea to invite Jack to your party. You ? invite Jack to your party. 5 At our school all the students wear a uniform. It's the rule. At our school you wear a uniform.