Students ... eat in class.

• mustn't
• shouldn't

You look tired. You ... go to bed.

• must
• should

We ... go out. It's raining.

• mustn't
• shouldn't

You're cold. You ... wear a coat.

• should
• must

We ... our homework from the internet.

• shouldn't copy
• mustn't copy

If you don't feel well, I think you __________ stay at home.

• should
• must
• don't have to
• mustn't

You __________ play the music in the library.

• mustn't
• can
• should
• don't have to

We __________ hurry home. It's still early.

• must
• mustn't
• don't have to
• should

We __________ pollute rivers. It kills fish.

• don't have to

• mustn't

• should

• have to

You __________ do your homework today. It's Sunday tomorrow.

• don't have to

• mustn't

• must

• should