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

các bn giải giúp mk vs ạ

1. are using

2. not play

3. to obey

4. s riding 

5. traveling

6. enjoys driving

7. taking

8. crossing / swimming

9. prace speaking

10. wasn't

11. decides to travel

12. did / learn

     taught

13. can ride / was

14. to play /was

15.was / to live

16. did / used to

17. to spend / to play

18. spent / reparing

19. takes / to go

20. took / to wash

21. was / being

22. not be

1. are using

2. not play

3. to obey

4. s riding 

5. traveling

6. enjoys driving

7. taking

8. crossing / swimming

9. prace speaking

10. wasn't

11. decides to travel

12. did / learntaught

13. can ride / was

14. to play /was

15.was / to live

16. did / used to

17. to spend / to play

18. spent / reparing

19. takes / to go

20. took / to wash

21. was / being

22. not be

1 There did not.....use to...... be many shops on this street before

2 We..used to..... go to work by car

3 Did they..use to.......cycle to work?
4 She ,,,,,,used to........work for a foreign company

5 My friend didn't........use to....ride a tricycle when he was a child

6 Did you..use to........ play marbles when you were small?

học tốt

1. use to

2. used to

3. use to

4. used to

5. use to

6. use to

1 There did not.....use to...... be many shops on this street before

2 We...used to.... go to work by car

3 Did they.....use to....cycle to work?
4 She ,,,,,,used to........work for a foreign company

5 My friend didn't......use to......ride a tricycle when he was a child

6 Did you.....use to..... play marbles when you were small?

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 fossil fuels can be used to create energy or generate electricity

2 people will be use biogas for fuel in homes in home for transport

MET WA K LM NUA AU :v

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. minh (be)...was...very tired when i (see)...saw....him yesterday

2. my father usually (work)....works...8 hours a day,but yesterday he (start).....started......at 9.00 a.m and( finish) .....finished....at 9.00p.m

3. it usually (rain)..rains....a lot in summer but it (rain)....rained.......a little last summer

4.when did john (leave) ....leave......home?-he(leave).....left...5 minutes ago

5.-what did you (do)...do..last sunday?

-i (have) ......had.....a holiday in new york

6. last week, we(go)..went....to london for our holiday . it(be)..was....a long journey,but we (not be) ....weren't....tired

7.it (rain)...rained.....all day yesterday

8.the police (stop).stopped....me on my way home yesterday afternoon

9.Did you(go).......go......out last night?-no, i didn't

10.Did you(see)....see....the moon last night?

chia động từ

1. minh (be)...was...very tired when i (see)....saw..him yesterday

2. my father usually (work)..works.....8 hours a day,but yesterday he (start)....started.......at 9.00 a.m and( finish) ...finished.....at 9.00p.m

3. it usually (rain)..rains...a lot in summer but it (rain)...rained........a little last summer

4.when did john (leave) .....leave.....home?-he(leave)...left.....5 minutes ago

5.-what did you (do)...do.last sunday?

-i (have) ..had.........a holiday in new york

6. last week, we(go)..went....to london for our holiday . it(be)..was....a long journey,but we (not be) .....weren't...tired

7.it (rain)..rained......all day yesterday

8.the police (stop)....stopped.me on my way home yesterday afternoon

9.did you(go)......go.....out last night?-no, i didn't

10.did you(see)....see....the moon last night?

1. minh (be)...IS...very tired when i (see)....SAW...him yesterday

2. my father usually (work)...WORKS....8 hours a day,but yesterday he (start).......STARTED....at 9.00 a.m and( finish) .....FINISHED....at 9.00p.m

3. it usually (rain).RAINS.....a lot in summer but it (rain)......RAINED.....a little last summer

4.when DID john (leave) .....LEAVE.....home?-he(leave)....LEAVED....5 minutes ago

5.-what DID you (do)..DO...last sunday?

-i (have) ....HAD.......a holiday in new york

6. last week, we(go)...WENT...to london for our holiday . it(be)...WAS...a long journey,but we (not be) ...DIDN'T.....tired

7.it (rain)....RAINED....all day yesterday

8.the police (stop)..STOPPED...me on my way home yesterday afternoon

9.DID you(go).....GO........out last night?-no, i didn't

10.DID you(see)....SEE ....the moon last night?

1goes

2go

3didn't use to

4be

5play

6have known

Bài 1:Write about Lan's recent vacation,using the given information

1.last weekend/lan/go/to hoi an/her parents

=> Last weekend, Lan went to Hoi An with her parents

2. hoi an/be/beautiful and ancient

=> Hoi An was beautiful and ancient

3. the people/here/be/friendly, helpful

=> The people here were friendly and helpful

4. she/visit/many interesting places/,buy/souvenirs/her friends

=> She visited many interesting places,and bought souvenirs for her friends.

5. it/be/wonderful trip ./lan/have/great time/there

=> It was a wonderful trip.Lan had a great time there

Baì 2:Use the suggested words to make complete sentences

1. this time tomorrow/they/study/library

=> This time tomorrow,they will be studying in the library

2. solar energy/use/many country/the world

=> Solar energy will be used by many countries in the world

3. I think/biogas/abundant/cheap/cooking/heating

=> I think biogas is abundant and cheap for cooking and heating

4. wind/renewable/source/energy?

=> Is wind a renewable source of energy?

5. we/reduce/use/electricity/save/our energy

=> We should reduce the use of electricity to save our energy