Modals: Must,Can,NeedTo

At UNAE, students ___ respect their classmates and professors at all times. (obligation)

• must not

• must

• can

• can't

Which modal verb fits best?
Students _______ use their phones during an exam.

• can

• must not

• need to

• must

If you have an emergency, you ___ request permission to submit an assignment late. (permission)

• can't

• can

• must

• don't need to

Students ___ bring their student ID to enter the library. This is mandatory!

• can't

• must

• needs to

• must not

Students _______ attend every event organized by the university.

• do not need to

• must

• can't

You ___ register for courses before the deadline, or you won’t be able to enroll.

• do not need to

• must not

• must

• can't

Which sentence is correct?

• Students must not be late for class.

• Students must not to be late for class.

• Students must be not late for class.

• Students mustn't to be late for class.

If you feel sick, you ___ visit the university’s health center.

Which of the following is an example of permission?

• Students must submit assignments on time.

• Students can ask for regrading their exams.

• Students must not cheat on exams.

• Students need to bring their books to class

I ___ eat 'salchipapas' every single day in UNAE's bar. I ___ to eat vegetables, too.

• do not need to / need

• don't need / need

• do not need to / needs

• not need to / need