4 Choose the correct answer: a, b or c.
1 ... remember to do my homework, or my
teacher will be cross!
a must
b have
c should
2 You .... take photos in here. It's not allowed.
a don't have to
b must
c mustn't
3 Hurry up ! We.... to go now.
a have
b should
c must
4 Can I ask your advice ? What do you think I .... do about Tom ?
a have to
b must
c should
5 I don't think you .... go to school tomorrow. You're not well.
a have
b should
c must
6 We....go into town very early tomorrow. It's not really necessary.
a don't have to
b mustn't
c shouldn't