Modal verbs

I can't meet you on Friday. I _____________ work.

• Must

• Have to

• Should

I think Tom really ______________ go out. He has too much homework to do.

• Have to

• Must

• Should

You __________ eat fast food every day. It’s very bad for you.

• Mustn't

• Don't have to

• Shouldn't

We ___________take an umbrella. It looks like it will rain.

• Have to

• Should

• Must

You ________________ help your parents in this family.

• should not

• have to

• must not

You ___ pay. This museum is for free.

• mustn't

• don't have to

He can´t come with us. He __________work.

• have to

• has to

• don´t have to

Liz _________get up early tomorrow. There´s no school.

• has to

• have to

• doesn´t have to

• doesn´t has to

It´s a secret. You _________ tell anybody.

• must

• should

• don´t have to

• mustn´t

If you want to work in the USA you ____________ speak good English.

• mustn´t

• should not

• have to