1. We … wear uniform when we go to school

a. must
b. should

2. You really … study harder if you want to pass the examination.
a. should
b. must

3. When you come to Semarang again, you … come and see us
a. must
b. should

4. You … forget when I told you. It is very important.
a. shouldn't
b. mustn't

5. The movie was great. You … go and see it
a. should
b. must

6. You have been coughing a lot recently. You … stop smoking.
a. should
b. must

7. Whatever you do, you … touch the switch. It is very dangerous.
a. shouldn't
b. mustn't

8. Where is, Jane?. I … talk to her right away. I have an urgent message for her.
a. must
b. should

9. I … forget to take my key with me.
a. must not
b. should not

10. Well, it's 07.00 o'clock. We .. go to class.
a. should
b. must​

1. We … wear uniform when we go to school