Complete the sentences with the suitable word from the box :

avoid ; invested ; generate ; reduce ; converted .

1. Solar power can be ..converted ... into electricity.

2. Fossil fuels can be used to ...generate ...electricity or drive big machinery.

3. Use electricity economically so that we can ...reduce ....our electricity bills .

4. We should ......avoid .......using cars or motorbikes for short trips.

5. Businesses have ...invested ...more money in renewable energy in recent year

1.converted

2.generate

3.reduce

4.avoid

5.invested

Complete the sentences with the suitable word from the box.

avoid invested generate reduce converted

36. Solar power can be ________converted______ into electricity.

37. Fossil fuels can be used to_generate__electricity or drive big machinery.

38. Use electricity economically so that we can____reduce__ our electricity bills.

39. We should ___avoid ____ using cars or motorbikes for short trips.

40. Businesses have___invested___ more money in renewable energy in recent years.

Ex1: Complete the sentences with the suitable word from the box.

generate,invested,avoid,converted,reduce

1.Use electricity economically so that we can ..reduce.. our electricity bills.

2.Solar power can be .converted.. into electricity.

3.Businesses have .invested.. more money in renewable energy in recent years.

4.Fossil fuels can be used to .generate.. electricity or drive big machinery.

5.We should ..avoid. using cars or motorbikes for short trips.

Ex2: Put the verbs in brackets in the correct tense forms to complete the sentences:

1.will You (wait) ..wait.. for her when her plan arrives tonight?

2.Don't phone me between 7 and 8. We ( have) .will be having.. dinner then.

2.I (send) .am going to send.. in my application tomorrow.

4.Next week at this time, you (lie) .will be lying.. on the beach.

5.You (meet) will be meeting.. your former teachers at 9am tomorrow morning, won't you?

1 can be converted

2 to generate

3 reduce

4 will start to use

5 invested

Solar power can be ________converted______ into electricity.

Fossil fuels can be used to_generate__electricity or drive big machinery.

 Use electricity economically so that we can____reduce__ our electricity bills.

We should ___avoid ____ using cars or motorbikes for short trips.

 The government have___invested___ more money in renewable energy in recent years.

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Đáp án: Fossils fuels can be used to create energy or generate electricity.

Give the correct form of the word given to complete the sentences.

1. Tidal energy is renewable, plentiful and clean. (plenty)

2. Wind will be used as an environmentally friendly sources of energy. (environment)

3. There are many ways will be used to solve the problem of pollution. (pollute)

4. Solar power can be used to heat or cool our houses. (hot)

5. Unfortunately, fossil fuels are harmful to the environment. (fortunate)

6. We should use them economically and try to find out alternative sources of power. (economy)

7. Solar energy is renewable, plentiful and clean. (renew)

8. I think that solar energy can be an alternative source of energy in the near future. (alter)

9. We should reduce the use of electricity at home. (electrical)

10. It’s a clean source of energy. Sailboats couldn’t move without this power. (powerful)

1,plentyful

2,envirmentally

3,pollution

4,heat

5.ufnortunately

6,economically

7,renewable

8,alternative

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B1 : use the cues given to write correct sentences.

1. Almost all our energy / come / oil / gas / natural gas. We / them / fossil fuels.

=>Almost all our energy comes from oil, gas and natural gas. We call them fossil fuels

2. The earth's fossil fuels / running out.

=>The earth's fossil fuels are running out

3. Scientists / try / find / other alternative sources / energy.

=>Scientists are trying to find the other alternative sources of energy

4. We / use energy / the sun, the wind, and the water.

=>We use energy from the sun, the wind, and the water

5. The sun / supply / all the energy / used / grow plants / evaporate water / rain / and / maintain / temperature / planet.

=>The sun supplies all energy used to grow plants and to evaporate water for rain and to maintain tenperature of the planet

6. If we / able / collect solar energy / we / be sure / have enough power. 

=>If we are able to collect solar energy, we will be sure to have enough power

7. Energy / wind / use / centuries / move ships, grind grain, pump water / and / do other forms work.

=>Energy from the wind has been used for centuries to move ships, grind grain, pump water and tto do other forms of work

8. Recently / wind / use / generate electricity.

=>Recently wind has used to generate electricity

9. For a long time / people / use water / power machines.

=>For a long time people have used water to power machines

10. Today / water power / mostly / use / generate electricity.

=>Today, water power is mostly used to generate electricity

1. Almost all our energy comes from oil, gas and natural gas. We call them fossil fuels

2. The earth's fossil fuels are running out

3. Scientists are trying to find the other alternative sources of energy

4.We use energy from the sun, the wind, and the water

5. the sun supplies all energy used to grow plants and to evaporate water for rain and to maintain tenperature of the planet

6. If we are able to collect solar energy, we will be sure to have enough power

7.Energy from the wind has been used for centuries to move ships, grind grain, pump water and tto do other forms of work

8.Recently wind has used to generate electricity

9.For a long time people have used water to power machines

10Today, water power is mostly used to generate electricity

each sentences has one mistake. Underline the mistake and correct it. ........................

1. people will developed alternative sources of energy. ..........develope..............

2. solar power can be converted into electrical. ..........electricity.............

3.we should use energy economic so that we can save money. ......economically.........

4. the sun is a bundant sources of power. ............source................

5. by this time next week they live in other city. .......will have lived.........

6. many people believe that nature resources will never be used up. ............natural..........

7.people use energy to run machines, hot and cool their home. ..........heat.............

8. burning fossil fuels cause pollution. .........causes ............

9. scientist are work to find other kinds of energy for the future. .......working...........

10. students at school should learn how save energy. ............to save..........

each sentences has one mistake. Underline the mistake and correct it. ........................

1. people will developed alternative sources of energy. ...........DEVELOP............

2. solar power can be converted into electrical. ........POWERS...............

3.we should use energy economic so that we can save money. .....ECONOMIC ENERGY..........

4. the sun is a bundant sources of power. ...............SOURCE.............

5. by this time next week they live in other city. ..........WILL BE LIVING.....

6. many people believe that nature resources will never be used up. .........NATURAL.............

7.people use energy to run machines, hot and cool their home. .........HOMES..............

8. burnig fossil fuels cause pollution. ............CAUSE =CAUSES.........

9. scientist are work to find other kinds of energy for the future. ........WORK = WORKING..........

10. students at school should learn how save energy. .........TO SAVE..............