题目内容：
He does this thing with a sole purpose.
A．main B．only
C．practical
D．real
参考答案：
答案解析：
单选题：He does this thing with a sole purpose.
- 题目分类：综合类
- 题目类型：单选题
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B．only
C．practical
D．real
B．only
C．practical
D．real
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