those are my brothers.改为单数句

those are my brothers.改为单数句 those are my brothers改为否定句 句型转换This is a book【改为复数句】Those are my brothers【改为单数句】Is this Those are my friends 改为单数句 Those are my shoes.怎样改为单数句? These are his brothers 改为单数句 those are his brothers 改为单数形式 什么 his 什么 these are his brothers改为一般疑问句 These are my sons 改为单数句 Black is my family name.改为同义句 Those are oranges改为单数句 Are you those are my pencils 改为单数句子 Those are my friends怎样改为单数句?什么是单数句? those are orange towels改为单数句