You ___ wear a uniform. It’s the school rule. a) don’t have to b) must c) can’t
must
You ___ bring food to class. It’s not allowed. a) don’t need to b) mustn’t c) need to
mustn’t
You ___ do the homework today. It’s optional. a) must b) don’t have to c) can’t
don’t have to
You ___ use your phone during the exam. a) can’t b) need to c) don’t need to
can't
You __________ run in the hallway. (prohibition)
mustn’t / can’t
What does “You mustn’t eat here” mean? a) It’s optional b) It’s prohibited c) It’s necessary
It’s prohibited
___ I ask you a question, teacher? (formal) a) Can b) Could c) May
May
