hello ----- hello this is mariawho are you还是who's that?填什么,若详细解释就加分
问题描述：
hello ----- hello this is maria
who are you还是who's that?
填什么,若详细解释就加分
答
Who's that?
答
that 对应 this
答
当然是who's that，和后面 this is maria相对应
答
who's that
打电话都这么说。不能说who are you
答
who are you ----I'am maria.
who's that?----This is maria（maria就在身旁）
-----That is maria(maria在远处的情况）
答
who's that?
答
who's that?
电话用语问对方 是谁
以及告诉对方你是谁 不能用 who are you.
问对方是谁 要用who's that.
说自己是谁要用this is ***..