those are old books.(变单数)_______ ____________old___________.
those are old books.(变单数)_______ ____________old___________.
those are old daesks变单数形式
Those books are ours.(改为单数)
What are those?___They are books.(改为单数句)
Are those books yours?(改为单数形式)
those are her books 改成单数
are those our english books?改单数
Those are books 改为单数句子
Those are old libraries.改成单数句
Those are old boxes. (改为单数)
Those are our books.变同意句
those flowers are lovely.变单数