These are your books.(改为单数)
are these your books?改为单数形式
These are your books.(改为单数)
this your friend?(改为复数形式) 问题二Are these your books?(改为单数形式) '
these are new books.改为单数形式
these are chinese books 改为单数形式
These are English books.改为单数形式
These are English 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
Are these your cousins改为单数形式
these are your keys 改为单数句
These are my English books.改为单数形式
These are english books 改为单数或则复数