Do the poor have enough houses ?A. liveB. to liveC. to live inD. living

问题补充：

Do the poor have enough houses ?

A. live

B. to live

C. to live in

D. living

答案：

A. live

B. to live

(答案→)C. to live in

D. living

解析：动词不定式短语作定语修饰名词时一定放在名词的后面。