问题
选择题
You can’t imagine what difficulty we had ________ home in the snowstorm.
A．walked
B．walk
C．to walk
D．walking
答案
答案：D
句意是：你不能想象我在暴风雨中找到你家有多难。have difficulty/trouble (in) doing sth.是“做…很困难”，in可以省略。
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