We _____ be late for school.
have to
must
mustn't
can
You _____ raise your hands when you don't understand.
cannot
mustn't
don't have to
can
Everyone _____ keep the classroom clean.
can
has to
can't
don't have to
You _____ shout in the hallway. It's really disturbing.
don't
need to
can't
can
While in class, students _____ to teacher.
can
must not
don't have to
have to
Please keep your phone in your bag. Students _____ use moblie phone in class.
can't
have to
have
can
I really don't understand the lesson. I think we _____ do this homework together.
cannot
need to
mustn't
don't need to
Hey! You guys ______ fight in school. You can get in a big trouble.
have to
need to
can
cannot
Math teacher is really strict. We ______ in class.
don't chat
have to chat
should chat
can't chat
Teacher said you ______ take your headphones off. You _____ listen to music in class.
must / don't have to
can / can't
have to / can't
don't / have to
Do you think I _____ chew gum in English class? / I don't think so.
should
need to
can
must
We ____ eat food in class so we _____ finish our food right now.
can't / need to
have to / have to
must / mustn't
don't / have to
