Modal verbs: Should, Must and Have to

I ____ study this weekend. It is my obligation as a student.

• MUSTN'T

• HAVE TO

• MUST

• SHOULD

You _______ feed the animals in the zoo. It's forbidden!

• DON'T HAVE TO

• MUST

• MUSTN'T

• SHOULDN'T

You ______ do exercise everyday. It's good for you!

• MUST

• HAVE TO

• SHOULD

• MUSTN'T

You _______ listen to loud music. It's bad for your ears!

• SHOULD

• DON'T HAVE TO

• SHOULDN'T

• MUSTN'T

They ______ study harder if they want to pass their exams.

• MUST

• HAVE TO

• HAS TO

• SHOULD

You ______ use your mobile phone in class.

• DON'T HAVE TO

• MUST

• SHOULDN'T

• MUSTN'T

She __________ wear a uniform at school. She can wear jeans

• HAVE TO

• SHOULDN'T

• DON'T HAVE TO

• HAVE TO

You ________ eat fast food. It's bad for your health!

• SHOULDN'T

• DON'T HAVE TO

• MUSTN'T

• SHOULD

You _____ be hungry. You have just eaten a sandwich!

• CAN

• MUSTN'T

• CAN'T

• SHOUDN'T

They are knocking on the door. It _____ be John, he left the keys.

• CAN

• CAN'T

• HAS TO

• MUST