来自李术才的问题
人教版小学五年级下英语中有这样一段打电话句子.Mike:Hello.Larry:Hello.T
人教版小学五年级下英语中有这样一段打电话句子.
Mike:Hello.
Larry:Hello.ThisisUncleLarry.How'severybodydoing?
Mike:Justfine.Grandpaiswritingaletter.Brotherisdoinghomework,Momiscookingdinnerinthekitchen.Iamcleaningtheroom.请问How'severybodydoing?为什么用is

