题目内容
You can't imagine what great trouble I had _______ his address.
| A．to find | B．of finding | C．finding | D．about finding |
C
解析试题分析：句意：你很难想象我找到他的地址有多难。做好这题，关键是知道词组 have trouble (difficult) doing sth.做某事有困难．定语从句是I have hadfinding his address，修饰先行词(great trouble)，所以答案是C．
考点：考查非谓语动词
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