Put the Modal verbs should, shouldn't , must,
mustn'
1. If you want to be fit, you eat a cake.
2. Every child ... know traffic rules.
3. You ... eat so many sweets they contain a lot of calories.
4. You are impolite. You ...speak to your mother like this.
2. I think they
relax more.
3. What ... I wear to the party?
4. we invite Susan to the party? -Yes, I think you ...
8. You ... use your phone while driving.
5. It's later than I thought. I ... go now.
10. ... I tell my friends about my problems?
1) mustn't
2) must
3) shouldn't
4) mustn't
5) should
6) should
7) should
8) mustn't
9) must/should
10) should/must