精选优质文档-倾情为你奉上四：中考英语作文高分：需熟记的句子A、环保 1. Its our duty to protect our environment. 2. It is very important to take care of our environment 3. We should not throw litter onto the ground 4. We should not spit in a public place/ cut down the trees 5. We should plant more flowers and trees. 6. We must pick up some rubbish and throw it into a dustbin7. If everyone makes contribution to protecting the environment， the world will become much more beautiful.1。保护环境是
