Must or mustn't

You must ________ attention at school.

• To pay

• Pay

• Paying

You must ________ quiet in the library.

• Be

• To be

• Is

You _______ be on time at school.

You _________ use your phone in class.

• Must

• Mustn't to

• Mustn't

You mustn't ________ across the road.

• Running

• Ran

• Run

You ___________ shout in class.

She _______ help her brother with his homework.

• Must

• Must to

• Musts

You must ________ after your pet.

• Looking

• To look

• Look

You _________ raise your hand if you want to talk.

We mustn't _________ a mess when we paint.

• To make

• Make

• Made