II. CHOOSE THE BEST OPTION TO COMPLETE EACH SENTENCE.
1. When you save ___________, you not only save money, you also reduce the demand for coal, oil, and natural gas and that is a great way to play a part in saving the planet.
A. school B. money C. energy
2. There are many available ___________ power sources in Vietnam including sun, wind, water, etc.
A. nuclear B. hydro C. renewable
3. Biogas can be used to ___________ natural gas in cooking, heating, or electrical generation.
A. replace B. pollute C. install
4. The non-renewable sources of energy that we are using are_____ and are bound to expire one day.
A. plentiful B. limited C. alternative
5. The city plans to plant more trees to ___________ air pollution.
A. replace B. reduce C. overcool
1. When you save ___________, you not only save money, you also reduce the demand for coal, oil, and natural gas and that is a great way to play a part in saving the planet.
A. school B. money C.energy
2. There are many available ___________ power sources in Vietnam including sun, wind, water, etc.
A. nuclear B. hydro C.renewable
3. Biogas can be used to ___________ natural gas in cooking, heating, or electrical generation.
A. replace B. pollute C. install
4. The non-renewable sources of energy that we are using are_____ and are bound to expire one day.
A. plentiful B. limited C. alternative
5. The city plans to plant more trees to ___________ air pollution.
A. replace B. reduce C. overcool
