Choose the word (A, B, C or D) that best fits the blank space in the following email.

Dear all students,

We want Saint Louis School to be greener. Therefore, we want all of you to follow these simple rules:

· Don’t (31) _______. Rubbish on the ground is unhealthy for people because it attracts animals like rats and flies and they spread diseases.

· Don’t throw away plastic bottles, paper, cardboard boxes and cans. Every class should sort the rubbish for recycling. Put all the plastic bottles and bags in the green bins. Batteries (32) _______ go in recycling bins or with normal rubbish. Place them in a separate box instead, and the school will collect them at the end of the month.

· Don’t throw away your food waste like banana (33) _______ or apple cores. Put them into the compost bin. We can use the compost to grow (34) _______ vegetables in our greenhouse.

· Bring your own reusable water bottles to school to get drinks and refill the water.

· Turn (35) _______ the lights when you leave the classroom. When the teacher isn’t using the computer or other electronic equipment, switch them off instead of leaving them on standby. You can save electricity this way.

Let’s make our school a greener place and help protect the environment. Our planet is in our hands!

Give the correct form of the given words.