Does anybody know Tom?回答是Yes,Mary does.为什么不是No,I don't know him.
问题描述：
Does anybody know Tom?回答是Yes,Mary does.为什么不是No,I don't know him.
答
I don't know him 并不代表大家都不知道啊 所以I don't know前面不能加 No。所以就不选它啦
understand ? ^^
答
提问是有人认识tom吗?回答应先说,有,Mary认识.