Underline the correct word or phrase in each sentence.

1. This time next year my father will work/will be workingin the hydro power station.

2. Don't forget to turn off the lights before you're leaving/you leave.

3. My brother and I will cycle/will have cycledto school to cut air pollution.

4. By the year 2020, people in my village will use/will be usingenergy from the sun.

5. What will we do/will we be doingto save electricity?

6. What will happen/will be happenedto us when the non-renewable energy sources run out?

7. Wind power is a renewable source because it can be replaced/can replace easily and quickly.

8. The students in my school will be put/will be puttinglow energy light bulbs in the school.

9.  Alternative sources of energy will be developed/will develop quickly. 

10.The energy consumption will be reduced/will reduceas much as possible.