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.(改为单数形式)

问题描述:

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.(改为单数形式)

this is my book~these are my book

That is my book.

1,These are my books(复数)
2,There are nice cats in those trees(复数)
3, This is a ruler(单数)

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

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

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

1.These are my books.
2.There are nice cats inthe tree.
3.That is a ruler.