1) We ______ drink water every day. a) must b) mustn't 2) Babies ______ drink milk. a) must b) mustn't 3) We _______ play ball near cars a) must b) mustn't 4) We _______ fight at school a) must b) mustn't 5) We _______ help old people a) must b) mustn't 6) We _______ eat chocolate. a) must b) mustn't 7) We ________smile a lot a) must b) mustn't 8) We_______ eat a lot of fruits a) mustn't b) must 9) We __________ relax a) must b) mustn't 10) We ________ study all day.  a) mustn't b) must

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