1. Choose the correct option. (Chọn ý đúng.) 1. You shouldnt / musnt use mobiles in exams. 2. You shouldnt / should skip brea

1. Choose the correct option.
(Chọn ý đúng.)
1. You shouldnt / musnt use mobiles in exams.
2. You shouldnt / should skip breakfast because its bad for health.
3. You musnt be / are late for class.
4. You must / musnt throw your trash in the bins.
5. You must / should clear your desk before you go home.



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