1.This is Mary.This is ___ ___.

问题描述:

1.This is Mary.This is ___ ___.

This is Mary. This is _Mary__ _calling__.
不太明白想问什么,改同义句?
This is Mary. This is _my__ _friend__. 
完成对话?改同义句?那就是This is Mary. This is _Mary__ _calling__.这是玛丽。这是玛丽来电话。通常打电话的时候用This is ______. 这是某人(自己的名字)。等于我们所说的“我是某人”