Use suggestions to write full sentences: to + V -để ( diễn ra mục đích)

1. The energy / from / sun / cheap and clean

-> The energy from the sun is cheap and clean

2. It / important / save / natural resources

-> It is important to save natural resources

3. It / necessary / teach children / the energy saving

-> It is necessary to teach children the energy saving

4. What / people / do / reduce / their household bills / future /

-> What will people do to reduce their household bills in the future ?

They / use / low energy lights bulbs / home.

-> They will use low energy lights bulbs at home

5. Energy - saving appliances / should / be used / save electricity

-> Energy - saving appliances should be used to save electricity

6. We / reduce / our use of electricity / save our energy.

-> We should reduce our use of electricity to save our energy

8. We / have / put / diferent kinds / waste / different places

-> We have to put different kinds of waste at different places

9. Many farmers / use / bio gas / for / cook / at / home

-> Many farmers use biogas for cooking at home

1 Jane won't be staying at home at this time tomorrow

2 We will be walking to school at that time tomorrow

3 Low energy light bulbs will be used to reduce bulbs' electricity bills

4 Biogas will be used widely in the future

5 She will be waiting for me when I arrive tomorrow

6 I'll be staying with my grandma for the next two weeks

7 The party will be starting at 5 o'clock tomorrow afternoon

8 Will she be doing the housework at 9 p.m tomorrow

9 At this time tomorrow, I will be going shopping

10. We will be the entrance the talking exam at 9 a.m tomorrow.

Exercise: Rearrange the words to make sentences

1. Jane/ this/ at/ be/ staying/ time/ won’t/ home/ at/ tomorrow.  Jane won't be staying at home at this time tomorrow.

2. We/ be/ time/ walking/ to/ will/ school/ at/ that/ tomorrow. We will be walking to school at that time tomorrow. 

3. Low/ bulbs/ light/ will/ energy/ be/ used/ electricity/ bulbs/to/ reduce/ bills. Low energy light bulbs will be used to reduce bulbs' electricity bills.

4. Biogas/ be/ the/ used/ will/ widely/ will/ in/ future. Biogas will be used widely in the future

5. She/ will/ when/ be/ for/ me/ I/ arrive/ waiting/ tomorrow. She will be waiting for me when I arrive tomorrow

6. I’ll/ next/ be/ the/ with/ 2/ my/ staying/ grandma/ for/ weeks.  I'll be staying with my grandma for the next two weeks 

7. The/ party/ o'clock/ tomorrow/ be/ starting/ at/ will/ 5/ afternoon . The party will be starting at 5 o'clock tomorrow afternoon

8. Will/ be/ 9 p.m/ doing/ the/ she/ housework/ at/ tomorrow? Will she be doing the housework at 9 p.m tomorrow  ? 

9. At/ tomorrow/ time/ I/ be/ going/ this/ will/ shopping. At this time tomorrow, I will be going shopping

10. We/ 9 a.m/ will/ be/ the/ entrance/ taking/ exam/ at/ tomorrow.  We will be the entrance the talking exam at 9 a.m tomorrow

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

*) What should we do to save our energy?

As you know, our energy has limitation, so we must save energy because of the following ways. Firstly, we have to turn off the electric appliances when we do not use them. Secondly, by using bikes or public transports instead of motorbikes or cars. Finally, we should not throwing all used papers and bottles. I suggest collecting them to reuse and recycle. Therefore, if we follow the above ways, we will not only save money but also conserve the energy.

1. Why don't you do the homework before class?

→I suggest the homework should be done before class

2.Energy-saving bulbs should be used to save electricity.

→We suggest using energy-saving bulbs to ave electricity

3. Let's clear up all the trash around the schoolyard.

→I suggest all the trash around the schoolyard should be cleared up

4. We should teach young children to care for the environment.

→I suggest young children should be taught to care for the environment

5. What about buying those products?

→I suggest that we should buy those products

6. Let's teach the children how to protect their health.

→I suggest the children should be taught how to protect their health

7. Let's collect garbage on the beach every morning.

→I suggest garbage on the beach should be collected every morning

8. Why don't we use energy-saving bulbs?

She suggests that energy-saving bulbs should be used

9. The teacher said to us, "Do your homework carefully".

→The teacher suggested that our homework should be done carefully

1. In Western countries, energy is cheap. F
2. Consumers can save money by using energy-saving bulbs. T
3. Labeling scheme is a good innovation which helps the European to save money and natural resources. T
4. Ordinary 100-watt light bulbs use a quarter of the electricity of standard bulbs. T
5. North American and European countries are interested in saving money and natural resources. T

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.

1. Scientists are looking forward to the alternative energy sources

2. I suggest not turning the lights on when the room is light enough

3. It is necessary to use energy-saving bulbs instead of ordinary bulbs

4. You should reduce the amount of electricity your family uses

5. If we go on wasting water, there will be a shortage of fresh water

6. Energy-saving bulbs should be used to save electricity

7. The solar energy that gets to the Earth can't provide enough power for the world's population

8. I think we should turn off all the lights and fans before leaving the classroom

9. How about taking a shower instead of a bath to save water ?

10. If we go on littering, the environment will become seriously polluted