Peoplefromancientcivilizationsbuiltmanysplendidbuildin...

问题详情：

 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

知识点：现在完成时及其被动式

题型：选择题