From: mary@fastgmail.com

To: kaly@fastgmail.com

Subject: To save energy

How are you? And I'm fine. Thanks for yours last email! Let me tell you about the way to save the energy. In our daily life, energy is very important role, so we should save energy. I think there are many ways to save electricity. Firsly, we should turn off all the electric appilicians in our house. Secondly, we can use the solar energy and wind energy inteads of electric energy. Thirdly, we can go to school on foot or by bike inteads of by car, by motorbike. In short, energy is limited, so we should save energy now.

   Hope to receive your letter soon! 

                      Best friend,

                           Kali

( Đó là tên mình lấy VD, còn bạn viết tên bạn vào nhé)

 Chúc bạn học tốt!!