You can hardly imagine what great difficulty we had ------the experiment. A.to do B.doing

如题所述

"what great difficulty we had"是定语,修饰"imagine".
Imagine后接动名词。
所以选择"doing",答案是B.
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第1个回答  2007-10-21
选B.imagine 后跟what宾语从句.后面的正常语序为we had great difficulty (in) doing the experiment.省略了in.
第2个回答  2007-10-21
wshadd - 见习魔法师的答案和解释对

选B.imagine 后跟what宾语从句.后面的正常语序为we had great difficulty (in) doing the experiment.省略了in.
第3个回答  2007-10-21
你很难想象有什么大的困难,我们曾------实验。颓做b.doing本回答被提问者采纳
第4个回答  2007-10-21
你很难想象我们有多么的困难——实验A做B