✔ 最佳答案
液化天然氣,它們等著你
環保新動力,我用我至叻
齊齊使用液化天然氣,齊齊創造環保新世紀
英文環保標語
1) Take action, keep Hong Kong clean!!
2) Use less plastic bags, be friendly to our environment!
3) Save Energy, Save Our Earth!
4) Make good use of rubbish bin, keep our school clean!!
5) Support recycling, Do it every day!
6) Plant more trees, build up a green and pollution-free city!