Thismachineisveryeasy .Anybodycanlearntouseitinafe... 國語站 題庫 7.98K 大中小設置文字大小 問題詳情: This machine is very easy . Anybody can learn to use it in a few minutes. A. operating B. to be operating C. operated D. to operate【回答】D 知識點:非謂語動詞題型:選擇題 TAG標籤:#