this is my backpack复数,they are my aunts单数,those are my CDs划线

this is my backpack复数,they are my aunts单数,those are my CDs划线 This is my new backpack.改为复数句 They're my aunts.改为单数句 Those a They are my aunts.改为单数句 This is my friend . 复数句 Those are ancient buildings .单数句 Are 1.我的英语书在哪里?翻译成复数 2.My aunts like tomatoes.改成单数句子.3.Those are Those are my parents.(改为一般疑问句） They are my aunts.(改为否定句） they are my aunts.改为否定句 This is an orange(改为复数句） Those are my friends.改为单数句 Are thes 句型转换This is a book【改为复数句】Those are my brothers【改为单数句】Is this they are their computer.单数 this is my watch.复数 whose teacher This is my car[my提问] This is my toy[复数] they are its bananas 英语句型转换This is my watch （变复数） those are Sams brothers （变单数） S