问题描述：
When I meet anolder people,I()
A.lood at my feet and say ,"hello."
B.wave and say ,"What's your naem?
c.shake hands and say,"It's nice to meet you."
A.lood at my feet and say ,"hello."
B.wave and say ,"What's your naem?
c.shake hands and say,"It's nice to meet you."
问题解答：
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