The room is big enough for us .A. to liveB. living inC. to live inD. live in

问题补充：

The room is big enough for us .

A. to live

B. living in

C. to live in

D. live in

答案：

A. to live

B. living in

(答案→)C. to live in

D. live in

解析：句意：这个房间对我们来说居住足够大。短语：住在房间， 应用live in The room，所以此空应用不定式作主语补足语，介词in不能丢。所以选C。