题目内容

You can’t imagine what great trouble the doctor had ______ the patient.
A.treatsB.treatingC.to treatD.treated
B
考查固定搭配。the doctor had ______ the patient是定语从句,先行词是great trouble,代入定从,应是the doctor had great trouble(in)treating the patient,考查做某事有困难结构,所以选B。 
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