Correct the mistakes. 1) The book is made of plastic. The book isn*t made of plastic. It*s made of paper. 2) The bottle

1) The book is made of plastic. — The book isn’t made of plastic. It’s made of paper.

 2) The bottle is made of stone. — The bottle isn’t made of stone. It’s made of glass.

3) The balloon is made of wood. — The balloon isn’t made of wood. It is made of rubber.

4) The window is made of rubber. — The window isn’t made of rubber. It is made of glass.

 5) The mirror is made of water and metal. — The mirror isn’t made of water and metal. It is made of glass.   

6) The pen is made of glass. — The pen isn’t made of glass. It is made of plastic.