1. How many types of energy sources are there? What are they?
=>There are two types of energy . They 're renewable anh non-renewable energies
2. What types of energy does VietNam use most
=> VietNam use non-renewable most
3. Are sources of energy important? Why?
=>Yes , they are . Because is product many things for people like : .....( còn tùy vào vc bn viết đề tài gì nx)
4.Talk about the advantages and disadvantages of two sources of energy