1.That is your brother.改为一般疑问句2.Are these books?改为单数句

1.That is your brother.改为一般疑问句2.Are these books?改为单数句 that is my brother改为一般疑问句 are these books 改为单数句 1.Those are my books改为一般疑问句2.This is his ruler 改为复数句 3.That 英语翻译1.These are maps.(改为一般疑问句,并做否定)2.That is OK.(改为同意句) are these your books?改为单数形式 These are your books.(改为单数) is that your photo改为复数句 are these her borthers 改为单数句 1.Mr father is forty.（改为一般疑问句） 2.These are my English books. These are English books .（改为单数句 These are English books?改为一般疑问句? these are his brothers改为一般疑问句 These are my sons 改为单数句 1.These are your books.改为一般疑问句并作否定回答