My mum ... drive a car.

• must

• can

• should

• mustn't

Alice has a toothache. She ... go to the dentist.

• should

• can

• can't

• must

... I open the window? It's too hot inside.

• Must

• Should

• Could

• Cannot

When I was seven years old I ... swim.

• must

• mustn't

• can

• could

People ... speak loudly in a hospital.

• can

• shouldn't

• must

• could

Students ... use their mobile phones at the playground.

• can

• must

• should

• mustn't

... you explain this activity again, please? (to the teacher)

• Can

• Must

• Could

• Should

We are free next Saturday so we ... go to your party.

• cannot

• can't

• can

• must

Mark is a policeman. He ... wear a uniform.

• cannot

• should

• mustn't

• must

It's raining. You ... take your umbrella.

• should

• must

• can

• can't