This is my book.改为复数形式 There is a nice cat in the tree.改为复数形式 Tho_英语解答

This is my book.改为复数形式 There is a nice cat in the tree.改为复数形式 Those are rulers 单数形式

人气：168 ℃　时间：2019-09-27 13:57:54

解答

These are my books.
There are nice cats in the tree.
That is a ruler.