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