Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
1.By the middle of the 21st century, people in developing countries ___ more renewable energy.
A. uses B. will be using C. used D. have used
2. The wind, the sun and the wave are some types of ___ sources of energy.
A. changable
B. alternative
C. cheap
D. costly
3. Alternative soures of energy ___ developed in the near future.
A. is
B. was
C. has been
D. will be
4. Fossil fuels are very common in our society but they ___ the environment.
A. renew
B. provide
C. waste
D. pollute
5. "Why is it called a ___ source?" - "because it can be replace easily and quickly"
A. effective
B. specific
C. renewable
D. non-renewable
6. Hydro power is ___ because dams connot be built in certain areas.
A. limited
B. unlimited
C. abundant
D. enough
7. At this time next week, we ___ a wind turbine in our farden.
A install
B. installed
C. will installed
D, will be installed
8. Biogas is ___ and cheap for cooking and heating
A. plenty
B. abundant
C, serious
D. expensive
9. A hydropower station ___ in the North of the country next year.
A. was built
B. were built
C. will be built
D, has been built
10. We should put ___ on our roof for the heating and hot water.
A. solar energy
B. equipment
C. cracks
D. solar panels
11. Remember to ___ the lights before going to bed.
A turn
B, turn off
C, turn on
D, stop
12. it is a good idea to use ___ when travelling long distances.
A cars
B taxis
C. private cars
D. public trans prot
13. What should we do to ___ electricity?
A. cut
b. take
c,save
d, waste
14. we shout use ___ light bulbs in our homes
a, low energy
B. little energy
c, a nit energy
d, efficient
I. Choose the best answer (A, B, C or D).
1.By the middle of the 21st century, people in developing countries____ more renewable energy.
A. uses B. will be using C. used D. have used
2. The wind, the sun, and the wave are some types of ____________ sources of energy.
A. changeable B. alternative C. cheap D. costly
3. Alternative sources of energy ____________ developed in the near future.
A. is B. was C. has been D. will be
4. Fossil fuels are very common in our society but they ____________ theenvironment.
A. renew B. provide C. waste D. pollute
5. “Why is it called a _____________ source?” – “Because it can be replacedeasily and quickly.”
A. effective B. specific C. renewable D. non-renewable
6. Hydro power is _____________ because dams cannot be built in certainareas.
A. limited B. unlimited C. abundant D. enough
7. At this time next week, we ______________ a wind turbine in our garden.
A. install B. installed C. will installed D. will be installing
8. Biogas is ____________ and cheap for cooking and heating.
A. plenty B. abundant C. serious D. expensive
9. A hydropower station ______________ in the North of the country nextyear.
A. was built B. were built C. will be built D. has been built
10. We should put ___________ on our roof for the heating and hot water.
A. solar energy B. equipment C. cracks D. solar panels
II. Change the following sentences in to the Passive Voice.
1. Scientists will find solutions to reduce pollution in our city.
=> Solutions to reduce pollution in our city will be found by scientists
2. Governments will make more regulations to reduce industrial pollution.
=> More regulations to reduce industrial pollution will be made by goverments
III. Use the cues given to write correct sentences.
1.=> Solar panels are placed on the roof of a house and the sun's energy is used to heat water .
2. The energy/ store/ a number of days.
-> The energy can be stored in a number of days
3. Car/ use solar energy/ gas/ by the year 2030.
=>Car will be used solar energy instead of gas by the year 2030.
Question II: Choose the word that has a different stress pattern from the others.
1. A. traffic B. agree C. noisy D. student
2. A. listen B. visit C. borrow D. obey
3. A. enjoy B. agree C. attend D. student
4. A. listen B. visit C. enjoy D. open
5. A. traffic B. prefer C. noisy D. student
6. A. listen B. visit C. open D. attend
Question III: Choose the correct answer to complete each following sentence by circling A, B, C or D.
1. Linda used to ________ morning exercise when she got up early.
A. did B. does C. doing D. do
2. My father __________the bus to work every day, but I cycle.
A. catches B. drives C. goes D. runs
3. You should look right and left when you go ________the road.
A. down B. across C. up D. along
4. Bus is the main Public ________in Viet Nam.
A.travel B. tricycle C. transport D. vehicle
5. The play was so boring. ________, An saw it from beginning to end.
A. Therefore B. Despite C. However D. Although
6. She’s sure that they will find the film_________.
A. entertaining B. entertain C. entertainment D. entertained
7. – “ Do you like seeing a film?” – “_________________”
A. No, I don’t like it at all B. Sure. What film shall we see?
C. Who is in it? D. I’m sorry, I can’t.
8. ____________ being frightened by the images, Lan still liked the film so much.
A. In spite B. Despite C. Although D. Nevertheless
9. ____________ is La Tomatina celebrated? – Every August.
A. Where B. Why C. When D. Which
10. My father liked the ____________ of that singer.
A. perform B. performer C. performance D. performing
Question IV: Read the following text carefully and choose the correct answer A, B, C or D for each of the gap.
When you are in Singapore, you can go about (29) ........................................... taxi , by bus, or by underground. I myself prefer the underground (30) ................... it is fast, easy and cheap. There are (31) ....................... buses and taxis in Singapore and one cannot drive along the road (32) ........................................ and without many stops, especially on the Monday morning. The underground is therefore usually quicker (33) .................... taxis or buses. If you do not know Singapore very well, it is difficult (34) ...................... the bus you want. You can take a taxi , but it is (35) ..................... expensive than the underground or a bus . On the underground, you find good maps that tell you the names of the stations and show you how to get to them, so that it is easy to find your way.
29. A. at B. in C. by
30. A. but B. because C. when
31. A. many B. a lot C. few
32. A. quick B. quickly C. quicker
33. more
I. Rewrite
1. Can you use this computer?
=> You can use this computer, can't you?
2. Nga spend 4 hours a day practicing English with her friends.
=> It takes Nga 4 hours a day to practice English with her friends.
3. I couldn't sleep. I was tỉed.
=> Although I was tired, I couldn't sleep
4. Keeping the enviroment clean is very importain.
=> It's very important to keep the enviroment clean
II. Choose the best answer to complete the sentences by circling A, B, C or D.
1. My school will ______ the school festival next week.
A. organize B. take C. rehearse D. play
2. __________ silly mistake!
A. What B. What a C. How D. How a
3. This food taste _______.
A. careful B. carefully C. delicious D. deliciously
4. The _________ is taking Mary's temperature now.
A. nurse B. worker C. player D. scientist
5. Would you like some corn? - _____________
A. No, thanks. I'm full B. Ok. I don't like corn
C. All right D. Yes, I would
6. Why ______________?
A. those men are laughing B. are laughing those men
C. are those men laughing D. are those laughing men
7. ______________? - That good idea.
A. Do you like playing sports B. Can you buy me some apples
C. Why don't we go out for dinner D. May I borrow your pen
8. I am not sure where she is. She _______ be in her office.
A. must B. may C. can D. should
9. ______ do you pay a visit to your uncle? - Every other week.
A. Why B. When C. How often D. How long
10. Mai : I don't like travelling a lot. Lan: _____________
A. So do I B. I don't, too C. Either don't I D. Neither do I
III. Fill in each numbered space with ONE appropriate word.
Ho Chi Minh was born in 1890 in Nghe An ......(1).province......., in the village of Kim Lien. When he ..was...(2)....... 21 years old, he ....(3)..left... Viet Nam and travelled to Africa, England and America. After this, he worked in a hotel in London in the early 1900s then moved to Paris in 1917. He ....(4)..spent... six years in Paris, one ....(5).year.......in Moscow and then moved to Guangzhou. he founed ...the...6)...... Indochinese Communist Party when he lived in Guangzhou. ...in.(7)..... the 1930s ho Chi Minh continuted to travel and after his return to Viet Nam he formed the Viet Minh in 1941. Fours years ..later...(8)...., he became ..president..(9).... of the democratic Republic of Viet Nam after viet Nam declared its independence. Ho Chi Minh died in Ha Noi in 1969, but he will always be .remembered...(10).... by the Vietnamese people.
IV. Fill in each blank with a suitable preposition.
1. Gangman style, by a 23-year-old south Korean Singer, psy, first appeared___on____ YouTube in July.
2. I bought some souvenirs __for__ my friends when I was in Nha Trang.
3. Fiona is getting better and better ___at_____ writing compositions.
4. Our country is rich ____in___ oil ang rubber.
5. The school cafeteria only opens ___at___ lunchtime.
6. My mother is very keen __on_______ growing roses.
7. The science books are ___on_____ the rack ____in____ the corner of the room.
8.I am 13 years old now. I prefer to talk ____to____ people ____at___ my age.
I. Rewrite
1. Can you use this computer?
=> You can _____use this computer, can't you ?______________________________.
2. Nga spend 4 hours a day practicing English with her friends.
=> It takes _____NGA 1 HOURS A DAY TO PRACTICE ENGLISH WITH HER FRIENDS___________________________________.
3. I couldn't sleep. I was tỉed.
=> Although _______I WAS TIRED, I COULDN'T SLEEP________________________________.
4. Keeping the enviroment clean is very importain.
=> It's ______IMPORTANT TO KEEP THE ENVIRONMENT CLEAN_____________________________________.
II. Choose the best answer to complete the sentences by circling A, B, C or D.
1. My school will ______ the school festival next week.
A. organize B. take C. rehearse D. play
2. __________ silly mistake!
A. What B. What a C. How D. How a
3. This food taste _______.
A. careful B. carefully C. delicious D. deliciously
4. The _________ is taking Mary's temperature now.
A. nurse B. worker C. player D. scientist
5. Would you like some corn? - _____________
A. No, thanks. I'm full B. Ok. I don't like corn
C. All right D. Yes, I would
6. Why ______________?
A. those men are laughing B. are laughing those men
C. are those men laughing D. are those laughing men
7. ______________? - That good idea.
A. Do you like playing sports B. Can you buy me some apples
C. Why don't we go out for dinner D. May I borrow your pen
8. I am not sure where she is. She _______ be in her office.
A. must B. may C. can D. should
9. ______ do you pay a visit to your uncle? - Every other week.
A. Why B. When C. How often D. How long
10. Mai : I don't like travelling a lot. Lan: _____________
A. So do I B. I don't, too C. Either don't I D. Neither do I
III. Fill in each numbered space with ONE appropriate word.
Ho Chi Minh was born in 1890 in Nghe An ......(1)...PROVIMCE....., in the village of Kim Lien. When he .....WAS.(2)....... 21 years old, he ....(3)..LEFT... Viet Nam and travelled to Africa, England and America. After this, he worked in a hotel in London in the early 1900s then moved to Paris in 1917. He ....(4).SPENT.... six years in Paris, one ....(5).YEAR.......in Moscow and then moved to Guangzhou. he founed .....THE.6)...... Indochinese Communist Party when he lived in Guangzhou. ....IN(7)..... the 1930s ho Chi Minh continuted to travel and after his return to Viet Nam he formed the Viet Minh in 1941. Fours years ...LATER..(8)...., he came ...ONE.(9).... of the democratic Republic of Viet Nam after viet Nam declared its independence. Ho Chi Minh died in Ha Noi in 1969, but he will always be ...REMEMBERED.(10).... by the Vietnamese people.
IV. Fill in each blank with a suitable preposition.
1. Gangman style, by a 23-year-old south Korean Singer, psy, first appeared__ON_____ YouTube in July.
2. I bought some souvenirs __FOR__ my friends when I was in Nha Trang.
3. Fiona is getting better and better _____AT___ writing compositions.
4. Our country is rich ____IN___ oil ang rubber.
5. The school cafeteria only opens __AT____ lunchtime.
6. My mother is very keen __ON_______ growing roses.
7. The science books are ___ON_____ the rack _____ON___ the corner of the room.
8.I am 13 years old now. I prefer to talk ______WITH__ people ___OF____ my age.
VI. Choose the best answer (A, B, C or D).
1.Alternative sources of energy are ___________ and safe.
A.enough
B.not enough
C.short
D.abundant
2.Nuclear energy can provide enough electricity for the world’s needs, but it is very ___________.
Arisk
Brisky
C.endanger
D.endangered
3.We should try to reduce energy ___________ as much as possible.
A.production
B.producers
C.consumption
D.consumers
4.We are looking for cheap, clean, ___________ sources of energy.
A.polluting
B.harmful
C.expensive
D.effective
5.Solar energy is ___________ and it can be replaced easily.
A.new
B.renew
C.renewable
D.non-renewable
6.For many people living in rural areas, biogas is a cheap energy ___________ available.
A.method
B.production
C.supply
D.consumption
7.People living in the slums never get good healthcare, ___________?
A.do they
B.don’t they
C.are they
D.aren’t they
8.Everyone is ready for the game, ___________?
A.is it
B.isn’t he?
C.aren’t they
D.is there
9.People move to big cities for a better ___________.
A.standard of living
C.standard life
B.standard living
D.life of standard
10.Slidewalks are ___________ to moving walkways in airport.
A.familiar
B.similar
C.different
D.same
11.Rio de Janeiro is very cultural ___________ city.
A.diverse
B.diversity
C.different
D.same
12.Which is the best ___________ of transport for the future?
A.mean
B.means
C.traffic
D.ways
13.Overcrowded places have a lot of problems, ___________?
A.don’t they
B.does it
C.doesn’t it
D.have they
14.The schoolyard is very small, so there isn’t enough __________ for students to play in.
A.rooms
B.land
C.space
D.ground
15.I think in the future cities will be more crowded and the traffic will get ___________.
A.good
B.well
C.worse
D.worst
16.When ___________ people live in a small place, life can be very difficult.
A.a few
B.few
C.too much
D.too many
17.Do you think it will be a (n) ___________ , green way to travel?
A.convenient
B.polluted
C.polluting
D.inconvenience
18.Children in the slums have more diseases than _________ in wealthy areas.
A.them
B.that
C.those
D.ø
19.Diseases ___________ more quickly in overcrowded areas.
A.move
B.travel
C.spread
D.come
20.In Manila, over 30% of the population lives in ___________.
A.crops
B.poverty
C.shortage
D.schooling
VI. Choose the best answer (A, B, C or D).
1.Alternative sources of energy are ___________ and safe.
A.enough
B.not enough
C.short
D.abundant
2.Nuclear energy can provide enough electricity for the world’s needs, but it is very ___________.
A.risk
B.risky
C.endanger
D.endangered
3.We should try to reduce energy ___________ as much as possible.
A.production
B.producers
C.consumption
D.consumers
4.We are looking for cheap, clean, ___________ sources of energy.
A.polluting
B.harmful
C.expensive
D.effective
5.Solar energy is ___________ and it can be replaced easily.
A.new
B.renew
C.renewable
D.non-renewable
6.For many people living in rural areas, biogas is a cheap energy ___________ available.
A.method
B.production
C.supply
D.consumption
7.People living in the slums never get good healthcare, ___________?
A.do they
B.don’t they
C.are they
D.aren’t they
8.Everyone is ready for the game, ___________?A.is it
B.isn’t he?
C.aren’t they
D.is there
9.People move to big cities for a better ___________.
A.standard of living
C.standard life
B.standard living
D.life of standard
10.Slidewalks are ___________ to moving walkways in airport.
A.familiar
B.similar
C.different
D.same
11.Rio de Janeiro is very cultural ___________ city.
A.diverse
B.diversity
C.different
D.same
12.Which is the best ___________ of transport for the future?
A.mean
B.means
C.traffic
D.ways
13.Overcrowded places have a lot of problems, ___________?
A.don’t they
B.does it
C.doesn’t it
D.have they
14.The schoolyard is very small, so there isn’t enough __________ for students to play in.
A.rooms
B.land
C.space
D.ground
15.I think in the future cities will be more crowded and the traffic will get ___________.
A.good
B.well
C.worse
D.worst
16.When ___________ people live in a small place, life can be very difficult.
A.a few
B.few
C.too much
D.too many
17.Do you think it will be a (n) ___________ , green way to travel?
A.convenient
B.polluted
C.polluting
D.inconvenience
18.Children in the slums have more diseases than _________ in wealthy areas.
A.them
B.that
C.those
D.ø
19.Diseases ___________ more quickly in overcrowded areas.
A.move
B.travel
C.spread
D.come
20.In Manila, over 30% of the population lives in ___________.
A.crops
B.poverty
C.shortage
D.schooling
Question I: Choose the word whose underlined part is pronounced differently from the others.
1. A. arrived B. watched C. packed D. typed
2. A. married B. called C. changed D. rented
3. A. started B. worked C. waited D. landed
4. A. needed B. liked C. washed D. hoped
5. A. robbed B. seemed C. cooked D. begged
6. A. played B. frightened C. excited D. bored
7. A. hand B. transport C. character D. celebration
8. A. washed B. attended C. decided D. disappointed
1. A. arrived B. watched C. packed D. typed
2. A. married B. called C. changed D. rented
3. A. started B. worked C. waited D. landed
4. A. needed B. liked C. washed D. hoped
5. A. robbed B. seemed C. cooked D. begged
6. A. played B. frightened C. excited D. bored
7. A. hand B. transport C. character D. celebration
8. A. washed B. attended C. decided D. disappointed
Question II: Choose the word that has a different stress pattern from the others.
1. A. traffic B. agree C. noisy D. student
2. A. listen B. visit C. borrow D. obey
3. A. enjoy B. agree C. attend D. student
4. A. listen B. visit C. enjoy D. open
5. A. traffic B. prefer C. noisy D. student
6. A. listen B. visit C. open D. attend
1.
Choose the best answer to complete the sentences
It is a good idea to use ____________ when travelling long distances.
A.
cars
B.
taxis
C.
private cars
D.
public transport
2.
What should we do to ____________ electricity?
A.
cut
B.
take
C.
save
D.
waste
3.
We should use _____________ light bulbs in our homes.
A.
low energy
B.
little energy
C.
a bit energy
D.
efficient
4.
In my opinion, nuclear power is not only expensive but also _________ for environment.
A.
danger
B.
dangerous
C.
risk
D.
disaster
5.
Someone’s carbon __________ is a measurement of the amount of carbondioxide that their activities produce.
A.
effect
B.
amount
C.
footprint
D.
energy
6.
Several governments try to ____________ the use of fossil fuels.
A.
reduce
B.
increase
C.
waste
D.
save
7.
We are looking for cheap, clean and ____________ sources of energy.
A.
effective
B.
efficient
C.
serious
D.
dangerous
8.
__________ source of energy is the source that can’t be replaced after use.
A.
Renewable
B.
Natural
C.
Effective
D.
Non-renewable
9.
Wave energy is a source of ____________energy.
A.
environment friendly
C.
environmentally friendly
B.
environmental friendly
D.
environmentally friendliness
10. Remember to ____________ the lights before going to bed.
A.
turn
B.
turn off
C.
turn on
D.
stop
II. Change the following sentences in to the Passive Voice.
People will construct more wind turbines in that area to produce electricity.
More wind turbines ______will be constructed in that area to produce electricity. ________
2. With that device people will change the wave energy into electricity.
With that device the wave energy ____________will be changed into electricity. _____________________
III. Use the cues given to write correct sentences.
1. At present/ most/ our electricity/ come/ use/ coal, gas, oil or nuclear power.
At present most of our electricity come from the use the coal, gas, oil or nuclear power.
2. Scientists/ try/ find/ other alternative sources/ energy.
Scientists try to find out other alternative sources like energy.
3. energy / from / sun / be / clean / cheap/ safe /.
The energy comes from the sun is clean. cheap and safe.
1 John hasn't _______ his mind yet to go abroad for his higher education
a, made
b, gone
c, used to
d, found
2 Everyone has to follow this way to get into the fair, _________ ?
a, do they
b, don't they
c, doesn't she
d, doesn't he
3 we spent half a year ______ this hotel
a, to build
b, build
c, will building
d, building
4 She is bored ___ getting up early
a, with
b, in
c, of
d, to
5 Would you me to get you something to drink ? -___________
a, That would be nice
b, No, I'm sorry
c, That's too bad
d, My pleasure
6 English is the ______ language on one- fifth of the land area of the world
a, office
b, official
c, officer
d, offcially
7 It's an hour since he ______, so he must be at office now
a, has left
b, left
c, was leaving
d, ia leaving
8 I usually go to work by bus, but _____
and then I use mu mortobike (xem lại câu này bạn có ghi sau ko nhé, ko hiểu gì cả)
a, again
b, once
c, stricter
d, stric
9 Of my parents, my father is _____
a, the stricter
b, the strictest
c, stricter
d, strict
10 " What can I get for you ? " _______
a, All right
b, I'm afraid not
c, I hope so
d, Yes, please
Choose the best answer (A, B, C or D).
1.My brother’s taste in art is quite different __________ mine.
A. to B. as C. from D. then 14
2.The eel soup that your father has just cooked tastes very __________.
A. delicious B. best C. well D. healthy
3.Her hobbies are …………………. photographs and collecting coins.
taking B. designing C. organizing D. decorating
4.There isn’t …………..…….water in the bottle.
A. a B. an C. some D. any
5.A: I don’t like the new soap opera on VTV6 now. B: I don’t like it,…………
too B. either C. so D. neither
6.The music festival will be at the ……………time as last year.
same B. different C. more D. most
7.A………………… is a person who plays a musical instrument or writes music, especially as a job.
poet B. singer C. comedian D. musician
8.For many people, a good knowledge of music and arts is regarded as a __________ for every student.
A. need B. needs C. necessity D. necessary
9.The villagers are __________ they were years ago. There is no change at all.
A. as friendly as C. different from B. as friend as D. not as friendly as
10.My village is not __________ it was ten years ago.
A. same as B. the same C. the same as D. the same like
11.Teenagers in Viet Nam like k- pop, and they like Korean films __________.
A. so B. too C. either D. however
Choose the best answer (A, B, C or D).
1.My brother’s taste in art is quite different __________ mine.
A. to B. as C. from D. then 14
2.The eel soup that your father has just cooked tastes very __________.
A. delicious B. best C. well D. healthy
3.Her hobbies are …………………. photographs and collecting coins.
taking B. designing C. organizing D. decorating
4.There isn’t …………..…….water in the bottle.
A. a B. an C. some D. any
5.A: I don’t like the new soap opera on VTV6 now. B: I don’t like it,…………
too B. either C. so D. neither
6.The music festival will be at the ……………time as last year.
same B. different C. more D. most
7.A………………… is a person who plays a musical instrument or writes music, especially as a job.
poet B. singer C. comedian D. musician
8.For many people, a good knowledge of music and arts is regarded as a __________ for every student.
A. need B. needs C. necessity D. necessary
9.The villagers are __________ they were years ago. There is no change at all.
A. as friendly as C. different from B. as friend as D. not as friendly as
10.My village is not __________ it was ten years ago.
A. same as B. the same C. the same as D. the same like
11.Teenagers in Viet Nam like k- pop, and they like Korean films __________.
A. so B. too C. either D. however
III. Choose the word or phrase which best completes each sentence. Write your answer (A/ B/ Cor D) in the numbered box. (40 points)Write your answers here:
1. Vietnam is a _________country.
A. rubber-exported B. exporting-rubberC. exported-rubber D. rubber-exporting
2. Of my parents, my father is _________
.A. the stricter B. the strictest C. stricter D. strict
3. “I think computers are useful.” ~ “ _________.”
A. I’m not agree B. So do I C. I disagree too D. So are they
4. Fossil fuels are very common in our society but they _____ the environment.
A. renew B. provide C. waste D. pollute
5. “Why is it called a _____________ source?” – “Because it can be replacedeasily and quickly.”
A. effective B. specific C. renewable D. non-renewable
6. Learners do not only learn the meaning …………….the spelling and pronunciation ofnew words
A.too B. also C.as well as D. but also
7. At this time next week, A wind turbine …………………in our garden.
A. install B. installed C. will install D. will be installed
8. The opposite of ‘reduce’ is ……………………
A. decrease B.increase C.destroy D.pollute
9. He and his friends usually get ……… and talk about their stamps.
A. together B. themselves C. each other D. one another
10. David: “ …………………………….”Mini: “ Thank you. Goodbye”
A. Nice to meet you, Mimi B. How do you do?C. Have a good trip, Mimi D. May I introduce myself. My name’s David Wilson
11. Remember to ____________ the lights before going to bed
.A. turn B. turn off C. turn on D. stop
12. “ Pass me that pen please!” ‘……………’
A. No, it isn’t B. Here you are C.Yes, please D.it doesn’t matt
13. Do you li ke those …………hats?
A. lovely little paper red B. lovely little red paperC. paper lovely little red D. little lovely red paper
14. You should look up the meaning of the new word in the dictionary __________ misuseit
A. so as to not B. to C. so as not to D. so that
15. In my opinion, nuclear power is not only expensive but also ____ to our environment.
A. danger B. dangerous C. risk D. disaster
16. My mother worries who will look after our house when we are away for our holidays.
A. see B. take after C. take care of D. look at
17. Several governments try to ____________ the use of fossil fuels.
A. reduce B. increase C. waste D. save