【正文】
not quite sure . A. how much she paid for B. how much will she pay for C. how much did she pay for D how much she will pay forAAenvironmentimportantair clean water freshprotectI think /suggest /hopeplant treesride to schoolsave watermake use ofsun energy Do you think our environment is very important for our lives.? Our teachers told us there were many trees around us in the past. The air was fresh and the river was clean. But now they say the environment around us bees very terrible. We should protect our environment. First, I think we should save every drop of water. We should plant many trees .Second, I suggest we should ride a bike or walk to school. Third, we shouldn’t throw litter about. Fourth, we shouldn’t use the plastic bags. Finally, I hope we can make full use of the sun energy.16