this is a boy is schoolbag 变为复数形式

Is this a boy?回答 This is a yellow boy.是什么意思?急用! this is a boy 用中文怎么说? This is a small boy.急 who is This boy this is a boy is schoolbag 变为复数形式 This is a boy.name is jack 怎么填 This is a boy.H()name is Bruce. This is a boy and ( ) name is Dale. what is this a boy 还是what is this the boy错了。是who is a boy 还是who is the boy this boy is my friend This Boy Is Mine 歌词 This boy is my b_______ is this a boy or a girl改复数句 回答Is this a boy or a girl?选择性疑问句 This is a letter from a boy called One boy is a boy This is a fat boy. 怎么改为否定句