题目内容
【题目】You can't imagine what great difficulty they had ________the old couple to move out of the old house.
A.persuaded
B.with persuading
B.to persuade
D.persuading
【答案】D
【解析】本句中difficulty是先行词 ,they had...是省略了关系代词的定语从句,从句中出现了have difficulty(in)doing sth.结构。
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