1. I __ have friends to stay at the weekend — my parents don’t mind.
a have to
b can
c mustn't
2. You__ drive a car at night without lights.
a. don't have to
b. shouldn't
c. can
3. We_____ forget about next week’s test — the teacher reminds us in every lesson.
a. can't
b. must
c. oughto not to