These are english books 改为单数或则复数
These are english books 改为单数或则复数
These are English books.改为单数形式
These are English books .(改为单数句
These are my English books.改为单数形式
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
are these your books?改为单数形式
These are your books.(改为单数)
句型转换?21.Are these English books?(改为单数句)_______ _______ _____
they are English books.(改为单数形式)
There are English books.(改为单数形式)