(mustn't
don't have to
must
have to
should
shouldn't)
1.Do we ___ help with the housework?
2.They ___drive so fast! It's dangerous.
3.You ___do the shopping.I went this morning.
4.She ___work in her dad's café every evening.
5.You cheat in exams.
6.It's late. You___ switch off the TV.