Peoplefromancientcivilizationsbuiltmanysplendidbuildin...

問題詳情：

 People from ancient civilizations built many splendid buildings and objects; some of them _____, while others remain toady.

    A. were disappeared B. will disappear        C. have disappeared D. are disappearing

【回答】

C

知識點：現在完成時及其被動式

題型：選擇題