which of them is your classmate?回答用none还是nobody/no one
问题描述：
which of them is your classmate?回答用none还是nobody/no one
答
选nobody.
none或者no one强调的是数量one.用来回来how many...are there?的句子.
nobody 强调的是body,人.
你的句子问的是人,不是数量.