arentthey的知识精选

—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...
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