Question

Rewrite these sentences using must, mustn't, have to don't have to , should or shouldn't
ex: 1 It is forbidden to eat in the library
You mustn't eat in the library

2 It isn't necessary for pop groups to sing in English to be famous
Pop groups__________
3 I advise you to use a dictionary to check your spelling.
You_____________
4 A visa is necessary when you visit China
People__________
5 I don't think it's a good idea for children to watch horror films.
Children____________
6 Don't take your dog into the children's playground. It's not allowed .
You____________
7 Tell your teacher when you don't understand
You__________

Answer 1

2. Pop groups don't have to sing in English to be famous. 
3. You should use a dictionary to check your spelling.
4. People must have a visa for visiting China.
5. Children shouldn't watch horror films.
6. You mustn't take your dog into the children's playground.
7. You have to tell you teacher when you don't understand.