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We __________ recycle plastic bottles to protect the environment.
should
You __________ throw rubbish on the ground.
shouldn't
Students __________ turn off the lights when they leave the classroom.
have to
People __________ waste water when they brush their teeth.
shouldn´t
In our school we __________ wear a uniform every day.
don´t have to
You __________ feed wild animals in the park.
shouldn't
We __________ pick up litter in the playground.
should
You __________ bring your homework tomorrow. It is very important.
have to
We __________ use both sides of the paper to save trees.
should
Students __________ shout during the lesson.
shouldn´t
You __________ water the plants in the garden so they can grow
should
She __________ bring food to the park, there is a café there.
doesn't have to
People __________ cut down too many trees.
shouldn't
We __________ plant trees to help the planet.
should
Students __________ listen to the teacher in class.
have to
You __________ recycle metal cans and plastic bottles.
should
