英语打电话时Who is this?与Who is that有什么区别

问题描述:

英语打电话时Who is this?与Who is that有什么区别
记住 是打电话里的 课本上Maria说 Who is this?然后Sally说 This is Sally.很不懂 不应该是Who is that?

who is this意思是你是谁
而who is that意思也是你是谁
两者一样,都是询问对方是谁