问题
选择题
An underwater hotel has opened in Africa,with its rooms_on the bottom of a three-level floating building.
A.to sit
B.sit
C.sitting
D.sat
答案
答案:C
题目分析:句意:在非洲一家水下旅馆开业了,它的窗户处于一栋三层的漂浮建筑的下面。此处考查with复合结构,其中room和sit之间是主谓关系,所以用现在分词,答案选C。