1. _______ (use) means “use again”. 2. Though ________ (pollute) is heavy now, I don’t think it’s ________ (hope). 3. If the rivers are polluted, ________ (farm) can’t use the water for their crops. 4. If _______ (everyone) starts to do _________ (something), the world will be saved. 5. We all need a _______ (health) environment, but we produce _______ (waste) every day, and it is _______ (harm) to our environment.

Reuse

pollution

hopeless

farmers

everyone

something

healthy

waste

harmful

go

Ready?