Unit 10: SOURCE OF ENERGY

GRADE 7

I . Choose the correct answers.

1. The wind, the sun, and the wave are some types of……………..sources of energy.

A. changeable B. alternative C. cheap D. costly

2. Remember to……………the lights before going to bed.

A. turn B. turn on C. turn off D. stop

3. We should put…………….on our roof for the heating and hot water.

A. solar energy B. equipment C. cracks D. solar panels

4. Fossil fuels are very common in our society but they...……the environment.

A. renew B. provide C. waste D. pollute

5. Several governments try to………….the use of fossil fuels.

A. reduce B. increase C. waste D. save

II. Complete the sentences with the correct form of the words in brackets.

1. At this time tomorrow, what……………..you………………..(do) ?

2. Next week, I……………………..(drive) from Hanoi to Danang. You won’t able to contact me for

a couple of days.

3. Please don’t call me after 11 p.m. I………………………………(sleep).

4. Tomorrow, I……...…………..(sit) in the same seat that I am sitting in now.

5. I…………………….(not travel) with my brother through Europe because I don’t have enough

money.

6. My brother…………………………….(not get) married any time soon. He

Has no job and he doesn’t seem to want to do anything.

7. We……………..(ride) our bicycle around Hoan Kiem Lake from 6 a.m to 8 a.m tomorrow.

III. Change the sentences into the passive voice.

1. Scientists anticipate that people will use up fossil fuels by 2052.

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It is anticipated that fossil fuels……………………………………………...

2. Solar energy will replace most of fossil fuels in the future.



Most of fossil fuels…………………………………………………………..

3. We will minimize the use of electricity to save our energy.



The use of electricity………………………………………………………...

4. Human will use the sun as the biggest energy source for the future.

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