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Task 1. Вставьте в пропуски must или mustn't



1.He ____________ cheat in examinations.


2.People____________ see a dentist from time to time.


3.He ____________ brush his teeth twice a day.


4.People ____________ eat more fruit and vegetables .


5. Because he is ill, He____________ stay in bed.


6. You ____________ practice any kind of sport.