—Whendidyoulearn 國語站 題庫 1.75W 大中小設置文字大小 問題詳情:—When did you learn ______ a bike?—Two years ago.A.riding B.to ride C.rides D.ride【回答】B知識點:非謂語動詞題型:選擇題 TAG標籤:Whendidyoulearn #