078. Must / Mustn’t / Can
Complete the sentences using must, mustn’t or can.
1. You stop at a red light.
2. I tidy my room before my mother comes.
3. You swim in the swimming pool but you swim in the lake. It’s too dirty.
4. You go out if you are back before 10 p.m.
5. You call her names. It’s very rude.
6. You talk in the classroom.
7. Why you go? Stay longer, please.
8. You smoke here but you smoke outside.
9. If you want to meet her, you call her earlier.
10. You follow the rules or you will be excluded from this game.