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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
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.
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.
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
Complete the sentences with the suitable wrord the suitable word from the box
avoid invested generate reduce converted
1. Solar power can be ................ into electricity
2. Fossil fuels can be used to.......... electricity or drive big machinery
3. use electricity economically so that we can....... our electricity bills
4.We should............ using cars or motorbike for short trips
5. Businesses have..... more money in renewable energy in recent years
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 motorbike for short trips
5. Businesses have invested more money in renewable energy in recent years
Exercise 2.
1. I am strong enough to could lift this box alone.
2. The ladder is long enough to could reach the window.
3. The fire is hot enough to would boil the kettle.
4. Lan is old enough to could go to school by herself.
5. Ba is tall enough to could play volleyball.
6. Mai is intelligent enough to could do that test.
7. Tam is old enough to could ride a motorbike.
8. The children are tired enough to could go to bed early.
9. We are thirsty enough to could drink a lot of water.
Exercise 3.
1. What are you going to do this afternoon?
2. What did we buy yesterday?
3. Where is the wardrobe?
Arrange the following words into the meaningful sentences:
1. create/ generate/ fossil fuels/ energy/ used to/ electricity/ or/ can be.
=> Fossil fuels can be used to create energy or generate electicity .
2. biogas/ for fuel/ in homes/ will/ for transport/ and/ use/ people.
=> People will be used biogas for fuel in home for transport .
3. People/ Wonderland/ use Metro/ travel/ the city.
=> People in Wonderland should use Metro to travel in the city .
4. It/ use electricity/ solar energy .
=> It will use electricity from solar energy .
5. There/ thousands/ people/ can/ travel/ it.
=> There are thousands of people can travel on it.
6. They/ use/ it/ underground. It/ travel/ 100kph.
=> They can use it underground. It can travel at 100kph.
7. It/ many doors/ it/ modern.
=> It has many doors and it is modern.
8. this time tomorow/ they/ study/ libary.
=> At this time tomorrow they will be studing in library.
9. Solar energy/ use/ many country/ the world.
=> Solar enery will be used by many countries in the world .
10. I think/ biogas/ abundant/ cheap/ cooking/ heating.
=> I think biogas is abundant and cheap for cooking and heating.
11. wind/ renewable / sources / energy \?
=> Is wind a renewable sources of energy ?
12. we/reduce/use/electricity/save/our energy .
=> We should reduce the use of electricity to save our energy.
13. this time tomorow / English/ They/ will be learning.
=> At this time tomorrow they will be learning English .
14. to save/ will reduce/ our energy / the use of electricity/ We.
=> We will reduce the use of electricity to save our energy.
15. biogas/ is/ cooking and heating/ I think/ for/ abundant and cheap.
=> I think biogas is abundant and cheap for cooking and heating.
16. we use/ travelling long distance/ public transportation/ Will/ when/ ?
=> Will we use public when travelling long distance ?
1.How many types of energy sources are mentioned in the text? What are they?
Two. They are renewable and non-renewable.
2.What are the disadvantages of hydro and nuclear power?
Hydro power is limited because dams cannot be built in certain areas. Nuclear power is dangerous.
3.Why do you think the wind and the sun are called alternative sources of energy?
Because they are natural sources of power and we use them instead of non-renewable sources to get the electricity we need.
4.What types of energy does Viet Nam use most?
We use non-renewable sources of energy the most but we are increasingly using hydro power.
5.What does the professor think Viet Nam will use more in the future?
He thinks Viet Nam will use the wind and the sun as alternative sources of energy in the future
I. Completethesentenceswiththesuitablewordfromthebox.
generate
invested
avoid
converted
reduce
1. Use electricity economically so that wecan reduce our electricity bills.
2. Solar power canbe converted into electricity.
3. Businesses have more money invested in renewable energy inrecent years.
4. Fossil fuels can be used to generate electricity or drive bigmachinery.
5. We should avoid using cars or motorbikes for short trips.