When you see this sign, you _____ stop.
must/have to
People _____ use their mobile phones in planes. They may crash.
must not
You _______ open the door! There is a dog!
must not
When you ride a bike, you _______________ wear a helmet.
have to / must
They didn't complete their homework. They _________ do it now.
have to / must
It's good idea to get a map, but you _________________.
don't have to
Everyone is waiting in line, but I know another way where we _____________ wait. We can go right in.
don't have to
I have a bike. I ____________ walk.
don't have to
My dad is a soccer coach. I ________________ pay for training.
don't have to
I ______ buy my girlfriend some flowers.
must/have to
You ______ help me if you don't want to.
don't have to
To become a doctor you _____ go to medical school.
must/have to
Employees _____ wear complete uniform when entering the facility.
Must/Have to
You _________ clean your room.
have to / must
You ________ eat in the library.
must not
It's Sunday. He ____________ go to school
doesn't have to
My little sister is only six months old. She ___________ help with house work.
doesn't have to
We are at the beach. You ____________ wear shoes.
don't have to
Yesterday my mom told me to clean my room but I _____ do it because my sister did it.
didn't have to
No one is allowed to have a cell phone in class. He _____________ pick up this call.
must not
No one is allowed to have a cell phone in class. She __________ leave her phone in her backpack.
has to / must
You ____________ do the work if you want to pass the class.
must / have to
You ______________ wear your seat belt in the car. It's the law!
must / have to
You ______ help me if you don't want to.
don't have to
The kids __________ play soccer in the living room.
must not