mustn't & don't have to

We ____ use our mobile phone during lessons

• mustn't

• don't have to

We _____ wear our school uniform on school trips.

• mustn't

• don't have to

You _____wear boots inside the clubhouse. It's forbidden.

• mustn't

• don't have to

You _____ step on the floor, it's still wet!

• mustn't

• don't have to

I _____ wake up early today, it's Saturday.

• mustn't

• don't have to

You _____ sleep during the lesson.

• mustn't

• don't have to

You _____ bring a jacket. It's warm outside.

• mustn't

• don't have to

Students _____ cheat during the test.

• mustn't

• don't have to

At school _____ ask for permission to play during the break.

• mustn't

• don't have to

You ____ drive without wearing a seat belt.

• mustn't

• don't have to