Bài 1: CHANGE THE SENTENCE INTO PASSOIVE. 
 1. My sister will meet you at the airport. 
 ->  YOU WILL BE MET BY MY SISTER AT  THE AIRPORT
2. I won't buy your glasses. 
->  YOUR GLASS WON'T BE BOUGHT BY ME
3.He will write a new book for children. 
-> A NEW BOOK WILL BE WRITE FOR CHILDREN BY HIM
 4. We will plant more trees to reduce the carbon dioxide in the atmosphere. 

 more trees to reduce the carbon dioxide in the atmosphere WILL BE PLANTED BY US
5. We will save a lot of energy by using low energy light bulbs. 
->a lot of energy WILL BE SAVED BY US by using low energy light bulbs