1) You ....... stop when you see that sign. a) must b) mustn't 2) You ......... eat more fruit. a) must b) mustn't 3) You ....... do your homework. a) must b) mustn't 4) You ......... raise your hand to speak. a) must b) mustn't 5) You .......... put the rubbish in a bin. a) must b) mustn't 6) You ........... speak loudly in a library. a) must b) mustn't 7) You .......... chew gum in class.  a) must b) mustn't 8) You ......... run with a broken leg. a) must b) mustn't 9) You ........... eat junk food. a) must b) mustn't 10) You .......... tell my secret to anybody. a) must b) mustn't

Must - mustn't

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