此题要求改正所给短文中的错误。先对标有题号的每一行作出判断：如无错误，在该行右边横线上画一个勾（√）；如有错误（每行只有一个错误），则按下列情况改正：
该行多一个词：把多余的词用斜线（＼）划掉，在该行右边横线上写出该词，并也用斜线划掉。
该行缺一个词：在缺词处加一个漏字符号（∧），在该行右边横线上写出该加的词。
该行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。
注意：⒈ 原行没有错的不要改；
⒉ 答案必须写在答题卡相应的位置上。
Dear Editor,
I’m writing to tell you opinion about water saving.
Water is important. We, as well as animal, cannot live
without water and neither agriculture or industry can go
without it. Yet it seemed water is becoming less and less.
Many countries in the world find we don’t have enough water.
To deal with a problem, I think, we should first go all
out to plant trees though trees will help save water. Next, no
drinking water should be left running. Third, we should find
ways to reuse the water using in washing, especially bath
water for which is quite a lot, and that will save much water.
Sincerely,
Li Hua
，下颌不能后退。磨牙近中关系，反覆盖5mm，ANB－2°，上前牙唇倾，下前牙内倾。