问题描述：
-Fancy _________ Mr Johnson!
-No surprising.he is my cousin.
A your to know B your kowning C your having known D your being known
为什么用your 还有，为什么不用B的时态？
-No surprising.he is my cousin.
A your to know B your kowning C your having known D your being known
为什么用your 还有，为什么不用B的时态？
问题解答：
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