1) You _______  smoke. a) must b) musn't c) can 2) Cat ________ fly. a) musn't b) can't c) might 3) He ________ in hospital. Because he isn't at school. a) don't have to b) have to c) may 4) I _________ study math. I have an exam tomorrow a) can b) might c) must 5) She ________ read this book. She has a project about this book a) musn't b) might c) have to

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