We all live in the earth. The earth is our home. We have only one earth. We must take care of it. It
gives us the best environment. If we harm it, it will be angry. And then we will have a terrible end. There
are three problems in our earth, they are pollution, disaster and illness.
It’s our duty to protect our environment. So we must plant more trees, protect the flowers and the trees, reduce the pollution.
Protecting the nature is very important. It’s our duty to keep our environment clean and tidy. If everyone makes a contribution to protect the environment, the earth will become much more beautiful.
(答案不唯一)