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Students / wear a uniform in Czech schools
Students don't have to wear a uniform in Czech schools.
You / be quiet in the library
You must be quiet in the library.
She has a day off. She ___ go to work.
She doesn't have to go to work.
You / smoke at school.
You mustn't smoke at school.
People / protect our planet
People must protect our planet.
You ___ do it if you don't want to.
You don't have to do it if you don't want to.
You / be kind to your family and friends
You must be kind to your family and friends.
You ___ buy a ticket if you want to go to a concert.
You must buy a ticket if you want to go to a concert.
You / go there ??? - No, I don't.
Do you have to go there? - No, I don't.
We / be late for school.
We mustn't be late for school.
You___keep an eye contact when you talk to someone.
You must keep an eye contact when you talk to someone.
People ___ drive without wearing the seatbelt.
People mustn't drive without wearing the seatbelt.
