1) You ....... wash your hands. a) must b) mustn't 2) He ....... sneeze into his elbow. a) must b) mustn't 3) You ....... use hydroalcoholic gel. a) must b) mustn't 4) You ........ wear the mask like this. a) must b) mustn't 5) You ......... organize a party. a) must b) mustn't 6) He ...... have covid. a) must b) mustn't 7) We ....... visit our grandparents. a) must b) mustn't 8) We ......... greet people with handshakes. a) must b) mustn't 9) You ........ avoid crowded places. a) must b) mustn't 10) She ....... touch her face. a) must b) mustn't 11) We ........ keep social distance. a) must b) mustn't 12) You ......... cough in your friend's food. a) must b) mustn't 13) We ....... hug a friend when we meet in the street. a) mustn't b) must

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