1. It's raining outside. Tim has to take his umbrella. (x)
has ⇒ must
2. I can give you a hand. So you mustn't do it alone. (x)
mustn't ⇒ don't have to
3. They mustn't be hurry because the film starts late. (x)
mustn't ⇒ don't have to
4. You must stop at the red light. (v)
5. Tomorrow is Monday but I mustn't go to work. (x)
mustn't ⇒ don't have to
6. I am short-sighted so I must wear glasses. (v)
7. You mustn't smoke here. There are a lot of children around you. (x)
mustn't ⇒ must
8. Everyone have to bey the school's rules. (x)
have to ⇒ must
9. It is warm today so we mustn't wear thick coat. (x)
mustn't ⇒ needn't
10. My father will buy me a bike so I don't have to walk to school any more. (v)
VOTE 5 SAO + CẢM ƠN VÀ CHO MK XIN CÂU TRẢ LỜI HAY NHẤT NHÉ!