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Must
Students must attend school on time
Students must complete homework
Students must actively express their opinions
Students have to be honest when doing tests
Students must be polite to the teacher
Mustn't
You mustn't using phone in class
You mustn't talk in class
You mustn't joking in class
You mustn't play football in school yard
You mustn't throw trash or draw on the walls
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You must keep silent in class
You must lisen a lesson
You must throw rubbish in bin in
You mustn't using phone in class
You mustn't talk in class
You mustn't joking in class
Hãy giúp mọi người biết câu trả lời này thế nào?
Must :
1. I must study hard.
2. I must go to bed early.
3. I must do homework.
4. He must complete his work.
5. She must write 2 essays.
Mustn't :
1. We mustn't smoke in this room.
2. We mustn't take out garbage there.
3. She mustn't go out at 9 p.m.
4. I mustn't cheat in examinations.
5. I mustn't disobey my parents.
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