You ________ store food in plastic containers; use glass instead.
shouldn't
You ________ waste cardboard, it can be reused easily.
shouldn't
People ________ throw plastic bottles in the street, they should recycle them.
shouldn't
We ________ use too much gas; it’s bad for the planet.
shouldn't
Everyone ________ turn off the electricity when leaving the room.
should
People ________ use more solar power to reduce pollution.
should
You ________ waste water when you’re brushing your teeth.
shouldn't
You ________ leave the tap running while washing dishes.
shouldn't
We ________ use wind power because it’s renewable and clean.
should
We ________ waste water, especially in areas with droughts.
shouldn't
You ________ leave glass bottles in public places, they can be dangerous.
shouldn't
We ________ recycle aluminium paper to help the environment.
should