How old is that boy?主语是谁

How old is that boy?主语是谁 How old is that boy的同义句：（填空） 空 that 空 空 越快越好 how old is the boy怎么回答 How old is that old man?答语 How old is the boy的同义句 What is old boy? This is an 8-year-old boy.That girl is 7 years old . My children are always arguing.A:Just ignore them B:That's right C:Are you sure?D:How old is the boy? How old is that girl?--I think she's t__. how old is the boy?_____(five) and today is his ______(five )birthday how n___the boy is that boy is Tom ,He is12years old=that is__ __boy __Tom how old is How old is how is the old How old is How old is How old is she?