Topic: SOURCES OF ENERGY
1. Tell me about some renewable sources of energy and nonrenewable sources of energy.
2. What types of energy does VN use most?
3. What types of energy do you think VN will use more in future ?
4. Why is the wind/sun called alternative sources of energy?
5. Do you think that saving energy is necessary ? Why ?
6. What should you do to save energy for your house or your school?
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