He is a boy改复数

He is a boy改复数 He is a boy变复数形式 he is a boy的复数 He is a boy.(改为复数) He is a boy改否定句 Is he a boy Yes,he is.(变复数) 改复数形式He is a student. is this a boy or a girl改复数句 he is a chinese boy的复数形式是什么 He is a nice boy.单复数转变 句子变复数形式He is a Japanose boy. that boy is good.改复数 he is a good boy.改成一般疑问句怎么改? he is a hand some boy怎么改感叹句 He is a good boy（改否定句） he is a thief（改复数形式） Is he an English boy.复数形式 He is a boy