—Forestsareveryimportanttous，aren'tthey?—Yes，theycanpre...
问题详情：—Forestsareveryimportanttous，aren'tthey?—Yes，theycanprevent________fromwashingtheearthaway.A.water B.trees C.grass 【回答】A 知识点：名词题型：选择题...
—Theyarequiet，aren'tthey?—Yes.Theyareaccustomed
问题详情：—Theyarequiet，aren'tthey?—areaccustomed________atmeals.A．totalk B．tonottalkC．totalking D．tonottalking...