They think the room is but as a matter of fact it is already occupied.A. vacantB. bareC.

问题补充：

They think the room is, but as a matter of fact it is already occupied.

A. vacant

B. bare

C. blank

D. hollow

答案：

(答案→)A. vacant

B. bare

C. blank

D. hollow

解析：词义辨析。A空白的，未使用的；B.空的，赤裸的；C空白的，未写过的；D.中空的，虚伪的。句意：我认为这个房间是未使用的，但是事实上它已经被占了。故选A。