186. I only him from my wife but I have never met him.A. knowB. know ofC. know toD. know

问题补充：

186. I only him from my wife, but I have never met him.

A. know

B. know of

C. know to

D. know by

答案：

A. know

(答案→)B. know of

C. know to

D. know by

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