must do sth must not do sth 造句 各三个
问题描述：
must do sth must not do sth 造句 各三个
答
We must stop when the light is red.
We must study hard.
That bag must belong to her.
He must know the answer.
You mustn't smoke here.
You mustn't park your car in front of the house.
You mustn't play soccer on the road.
You mustn't be late.