should, ought to, have to, must Exercise 1 (10 marks)

1 You ___must______________ (should / must) wear school uniform.
2 You ______ought to___________ (ought to / ought not to) be polite.
3 You ________do not have to_________ (have to / do not have to) take the bus. You can take the MTR.
4 You ____should not_____________ (should not / must) sleep during lessons.
5 You _______must__________ (do not have to / must) come to school on time.
6 You _______ought not to__________ (ought not to / must not) eat during lessons.
7 You _______should__________ (should / must) be friendly to other students.
8 You ________should_________ (should / must not) tell your teacher if you have a problem.
9 You ____must_____________ (ought to / must) do your homework on time.
10 You _____must____________ (should / must) study English and Chinese.

1 should
2 ought to
3 do not have to
4 should not
5 must
6 must not
7 should
8 should
9 must
10 must