9 ** with must, mustn't or don't have to. Match the sentences and complete them O My parents aren't very strict. 1 Sarah hasn't got any problems with her work. 2 The test will be hard. 3 Don't talk during the lessons. 4 It's a secret. 5 The doctor says Ella's fine. 6 Thanks for Jim's number. Help her. Forget to call him. A You b I You tell anyone. D You pay attention to your teacher. She take medicine any longer. E f I don't have to do anything in the house. G You study every day now. ​.