【正文】
d help keep air clean.? Trees help keep soil in place during storms.? Trees provide home for animals. Read after the recorder. And the act it out.S 1: Water is very important for all living things. S 2: Yes. We should use our water carefully and not waste it.S 1: Right. We can help save water by doing many simple things like turning off the tap while we brush our teeth.Sample conversationS 2: Taking short showers saves even more water.S 1: Saving water is good for the environment. I hope all of us do our best to save water. S 2: I hope so too.We can correct a lot of our ownmistakes by checking our work. After we have finished a piece of writing,always spend some time reading it through. Checking your workTypes of mistakesW= word usage mistakeP = punctuation mistakeS = spelling mistakeM = missing word G = grammatical mistake單詞使用錯(cuò)誤標(biāo)點(diǎn)符號(hào)錯(cuò)誤拼寫錯(cuò)誤遺漏單詞語法錯(cuò)誤M