Modal Verb Must

Complete with "must" or "mustn`t".

You ..........do your homework on time.

Complete with "must" or "mustn`t".

Teenagers...........be rude to their parents.

Complete with "must" or "mustn`t".

You .......make noise at the library.

Complete with "must" or "mustn`t".

You ......tidy up your room every Saturday, because your mum will be angry.

Complete with "must" or "mustn`t".

You ........study harder to get better marks.

Complete with "must" or "mustn`t".

Teenagers.............smoke or drink alcohol.

Complete with "must" or "mustn`t".

You .........skip breakfast, because it`s very important for your health.

Complete with "must" or "mustn`t".

You ......eat too many sweets and drink too much coffee.

Complete with "must" or "mustn`t".

You ......clean your teeth every day.

Complete with "must" or "mustn`t".

You .......use your phones at the lessons.

Complete with "must" or "mustn`t".

Children........spend a lot of time at the computer.

Complete with "must" or "mustn`t".

We .......keep our planet clean!