用must和mustn`t个造4句话2月19之前就要

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用must和mustn`t个造4句话2月19之前就要

用must和mustn`t个造4句话2月19之前就要
用must和mustn`t个造4句话
2月19之前就要

用must和mustn`t个造4句话2月19之前就要
must
1.You must get up early.
2.You must listen to the teacher carefully.
3.You must work hard.
4.You must do your homework.
5.You must get to school on time.
mustn't
You mustn't get up late.
You mustn't talk in class.
You mustn't play football in the street.
You mustn't tell a lie to parents.
You mustn't point at others with chopsticks.

You must do it. You must finish you homework. Something must be done to stop pollution. You must go to school. You mustn't copy other's homework. You mustn't go to net bar. Trash mustn't be thrown about here.