B1 have to, must, should

1. I think people _____ recycle more paper and glass.

• 1. should to

• 1. should

You __ park here. It's an emergency exit.

• don't have to

• must

• mustn't

• have to

1. You shouldn't smoke. It's bad for you.

I __ to wear a uniform when I was at school.

• must

• had

You __ show this letter to anyone else.

• mustn't

• mustn't to

You __ to phone if you're going to be late.

• ought

• must

I always __ to stand up on the train because there are no seats.

You really __ eat in class, but I’ll let you do it this time.

• should

• shouldn't

You don't __ to pay to get into that museum – it’s free.

Do we __ get up early tomorrow?

• must

• have to