问题描述：
you know ____?No,they don't know_____.
Do you know ____?No,they don't know_____.A.me me B.you me C.he he D.you I 选哪个?为什么?
Do you know ____?No,they don't know_____.A.me me B.you me C.he he D.you I 选哪个?为什么?
问题解答：
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