MUST MUSTN'T SHOULD SHOULDN'T

We ______ invite the Nortons to our party. They are nice people.

• shouldn't

• mustn't

• should

Young children ______ stay at home on their own.

• must

• mustn't

• should

Before you go to the dentist's, you _____ brush your teeth.

• shouldn't

• should

• mustn't

You ______ smoke in bed!

• must

• mustn't

• should

You______ shut the windows because it is raining.

• shouldn't

• mustn't

• should

You ______forget her birthday again.

• must

• mustn't

• shouldn't

You ______ go to the theatre when you are in Vienna. It's great.

• should

• shouldn't

• mustn't

You ______ cross the street when the traffic lights are red.

• should

• shouldn't

• mustn't

My mum thinks I _____ spend so much money on clothes.

• should

• must

• shouldn't

"Twilight" is a really great book. You ______read it soon.

• should

• shouldn't

• mustn't