His son is very naughty and has formed some bad habits.I think he should .A. cure them of

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A. cure them of him
(答案→)B. cure him of them
C. cure them off him
D. cure him off them
解析：句意：他的儿子很顽皮，养成了一些坏习惯。我想他应该把他儿子的那些不良习惯纠正过来。cure sb.of sth.治好某人的……，且还可引申为“纠正某人的……”。选B。