Modals Must

You __________ take the dog for a walk. I'll do it later.

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

You __________ fasten your seatbelt.

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

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
• can

We __________ drop litter on beaches. It pollutes them.

• mustn't
• can
• should
• must

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

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

We are lost. We __________ ask someone the way.

• must
• don't have to
• should
• can

My brother ___________ take the rubbish out every day

• has to

• hasn't to

• mustn't

• doesn't have to