Modal Verbs: Choose the correct option

You _______________conduct any chemistry experiments unless you are wearing safety glasses.

• mustn't

• don't have to

There's no point waiting here any longer. We__________________ go and have something to eat.

• can hardly

• might as well

Everything is going well with my new job. In fact, things _____________________ be better.

• couldn't

• won't

You__________________________ about the party. Now it's not a surprise!

• didn't have to tell me

• shouldn't have told me

There is plenty of time. We _____________________at the cinema until 8.

• mustn't be

• don't have to be

There must be some kind of technical problem. The film  ___________________________by now.

• should have started

• might have started

I went to see the dentist yesterday, but luckily I _______________________ any painful treatment!

• didn't need to have

• needn't have had

Excuse me, do you think you ______________ possibly open the window?

• shall

• could

The report concluded that the rescuers ______________________ to move the injured passengers before medical help arrived.

• should not have attempted

• didn't have to attempt

Don't worry about your driving test. You___________________ pass.

• must

• are bound to