—Forestsareveryimportanttous，aren'tthey?—Yes，theycanpre...
问题详情：
—Forests are very important to us，aren't they?
—Yes，they can prevent ________ from washing the earth away.
A. water B. trees C. grass
【回答】
A
知识点：名词
题型：选择题
问题详情：
—Forests are very important to us，aren't they?
—Yes，they can prevent ________ from washing the earth away.
A. water B. trees C. grass
【回答】
A
知识点：名词
题型：选择题
