——what about protection -----Let' s keep the surface ___durt

——what about protection -----Let' s keep the surface ___durt Water _________ about seventy persent of the earth,s surface What‘s the matter about ——Nothing., What‘s the matter about ——Nothing. there gases keep too much heat near the earth's surface How many school rules do you have? Let’s know about what the 英语翻译A Study on Disaster Management about the Protection of S About two thirds of the Earth's surface is covered by the se Talk about the importance of environmental protection. let's thank about the food. Let's talk about the picture,___? 开头let s talk about the man