Show:
Advice
Fill in the blank-necessity
Necessary or optional? Use have to or don't have to
Have
Mix!
100
Turn off your phone in the movie theater.
You should turn off your phone in the movie theater.
100

You _________ (drink) alcohol when you are under 18 in the U.S.

Must not drink 

100
You ___________(pass) a test if you want to drive in the U.S.
You have to pass
100

What time ____ we _______ (leave) tomorrow?

What time do we have to leave tomorrow?

100

Is the following statement, necessary, not necessary, or prohibited?

Have a passport to travel to another country.

necessary

(You have to have a passport to travel to another country)

200
Don't discuss private issues in public.
You shouldn't discuss private issues in public.
200
Drivers _________(stop) when they see a Stop sign.
Must stop
200
It's a good idea to try new foods when you visit someone's house, but if you really don't like the food, you _________ eat it.
you don't have to eat it
200

He ______ stop eating sugar because he found out he has diabetes.

has to / must

200

Correct the error: She must to have breakfast everyday, otherwise she doesn't feel very well.

she must have...

300
Never text while you are driving.
You had better not text while you are driving.
300
When you see a Yield sign, you __________(stop), but you _________(slow) down.
you don't have to stop, but you must slow down
300

You ____________ vote in the U.S. if there is an election.

you don't have to

300

She ___________(not pay) for groceries this week because she won a gift certificate to the supermarket.

She doesn't have to pay

300

correct the error: She had better not to go to bed too late. She has an early meeting the morning.

She had better not go...

400
Pay attention to people while they are talking.
You should pay attention to people while they are talking.
400

Students __________ cheat on tests, otherwise they will be kicked out of school.

must not, had better not

400

You _____________wait to cross the street until the sign flashes the "walk" signal, otherwise you could get a fine from the police.

You must / have to / had better

400
The bus is finally here! We ___________(not wait) anymore! Yesss!
We don't have to wait
400

Fill in the blank: They_________(have) a lot of security at the restaurant when the president comes.

must have, they have to have

500

Go to bed early.

You should/ ought to go to bed early.

500

Driving laws are different in every country. You _________know the rules before you start driving in a new place.

have to / must 

500

If you are a child at airport security, you _________ take off your shoes to go through the metal detector, but if you are an adult, you _________ take off your shoes.

don't have to...

must / have to...

500

We ____________ (not bring) a laptop to class, but we can if we want to.

We don't have to bring

500

Find the error: They must not to eat and drink in the classrooms. It's prohibited. 

They must not eat and drink...