Successwouldneverhap的精選

問題詳情：Successwouldneverhappenovernight.Youhavetostudyhard________.A.handbyhand   B.onebyone   C.wordbyword   D.stepbystep【回答】D【解析】句意：成功不會一蹴而就，你必須一步一步地努力學習。handb...