TheDongying-Hainanairline forabout5months.Ihave... 國語站 題庫 2.92W 大中小設定文字大小 問題詳情: The Dongying-Hainan airline for about 5 months. I have taken the flights three times. A. is open B. has opened C. has been open D. has been opened【回答】C 知識點:動詞時態題型:選擇題 TAG標籤:Hainanairline forabout5monthsIhave TheDongying #