It is said in Australia there is more land than the government knows .
A. it what to do with
B. what to do it with
C. what to do with it
D. to do what with it
网友回答
A. it what to do with
B. what to do it with
(答案→)C. what to do with it
D. to do what with it
解析：“疑问词＋不定式”作动词“knows”的宾语，而to do with sth意为“处置、对付”是固定搭配。“it”是“with”的宾语指“the land”。“what to do with it”当于宾语从句“what the government should do with it”。