Choose the correct answer:
1. We _____________ go to the beach this weekend. We are not doing anything else.
A shouldnt B may C have tp D mustnt
2. John ___________ take the exam again because he has already passed it.
A mustnt B might C doesent have to D may
3. I _______ visit me grandmother. I havent seen her for a long time.
A shouldnt B must C ought to D dont have to
4. You are ill.You ___________ stay at home today.
A dont have to B mustnt C should D may