What great trouble we had where his house was.A. finding B. to find C. find D. found

问题补充：

What great trouble we had where his house was.

A. finding

B. to find

C. find

D. found

答案：

(答案→)A. finding

B. to find

C. find

D. found

解析：考查非谓语动词：have trouble (in) doing sth. 的词组，in可以省略.表示“在做某事方面有困难.”，这里trouble作了先行词,后面由that(代替trouble)引导定语从句,作宾语,故省略了that，句意：我们找到他的家有多难啊，选A。