I. Find the word with different sound in the underline part in each line.
1. A. sun
B. solar
C. sure
D. safe
2. A. pollute
B. nuclear
C. fuel
D. consume
3. A. coal
B. carbon
C. country
D. cycle
4. A. gather
B. energy
C. group
D. biogas
5. A. heat
B.reach
C. meat
D. great
II. Choose A, B, c or D that best completes the sentences or substitutes for the underlined word or
phrase.
1.Solar energy, air and water are_______.
A. renewable
B. limited
C. restricted
D. narrow
6. Although nuclear power is clean and plentiful, it is not_______
A. dangerous
B. unsafe
C. safe
D. renewed
9. Solar energy can be changed into_______.
A. electricity
B. electric
C. electrician
D. electrical
10. Hydroelectric power is produced by the fall of_______ trapped into a dam.
A. air
B. soil
C. wind
D. water
11. Our major source _______energy is oil.
A. from
B. of
C. in
D. for
12. When water moves _______a high place to a lower place, it makes energy.
A. with
B. on
C. from
D. at
13. Many countries use solar energy_______ their daily life.
A. with
B. into
C. in
D. for
16. I _______for you at this time next week.
A. will waiting
B. will be waiting
C. will be waited
D. will be wait
18. I _______here until he comes back.
A. will be stayed
B. will staying C. will stay
D. will be staying
19. She _______ until you finish your work.
A. will come
B. won't come C. will be coming D. won't be coming
20. He________ his essay at this time tomorrow.
A. will write
B. will be written
C. won't write
D. will be writing
21. Ms White_______ her housework when you come next Saturday.
A. will do
B. will doing C. will be doing D. will be sending
19. I hope the weather_____ fine tonight.
A. will been B. will to be C. will be
20. These are his shoes. These shoes are______
A. he
B. him
C. his
D. hers
21. That is our house. That house is______
A. we
B. us
C. our
D. ours
22. We had a party at______house last night.
A. she
B. her
C. hers
D. mine
23. This is her bag and that is______
A. I
B. me
C.my
D. mine
24. My car is white______is black.
A. They
B. Their
C. Theirs
D. Them
25 “Tom is going to be famous someday. He has appeared in three movies already”.
“I'm sure he______ a star”
A. will be
B. won't be C. be will D. be won't
18. My pens are on the table. Where are_______?
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A. she
B. her
C. hers
D. him
19. I'm sure he_______ a good time staying with his parents.
A. will have
B. won't have
C. will has
D. won't has
20. Mary hasn't studied very hard for her exams. I think she _______the exams easily.
A. will pass
B. won't pass
C. won't fail
D. will pass not
21. This solowheel belongs to me. That one is (her/ hers / she).
22. (Me/Mine/ My) scooter is red. Hers is blue.
23. (Ours/Our/ We) train leaves at 7 p.m.
24. Will your flight to Hong Kong be late? (Him/He/ His) is on time.
25. The new red car is (theirs / their /they).
26. People _____ not choose to have their holiday on other planets because it will
be very expensive.
A. won't   
   B. might   
C. should
27. _____ we be able to inhabit Mars? Nobody knows for sure.
A. Will   
B. Should     
C. Might
28. It _____ take a long time for travelling by teleporter to become a reality, I think.
A. should  
B. will   
C. can
29. People _____ consider travelling by public transport to reduce traffic jams.
A. won't     
B. shouldn't
 C. should
30. Fumeless cars _____ pollute the environment like the cars we have now do.
A. will    
B. might 
C. won't

III.Fill in the blank

solar panels  -renewable energy sources -solar energy -a new source of energy  - hot water -plastic
bottles- dangerous -low energy light- bulbs -limited -electrical appliances  

1. We should use __________in our homes to save energy.
2. Do they always turn off the _______before leaving the room?
3. We can protect the environment by using ________.
4. When energy comes from the sun, we call it _______.
5. She has _____________day and night because she has solar panels on the roof of her house.
6. Do they recycle ………………….…..?
7. They are looking for ……………… now.
8. The workers are putting …………… on the roof of my house
9. Coal is ………… and it can be replaced by renewable sources.
10. Nuclear energy can provide enough electricity for the world's needs, but it is ………….
solar-powered ships                        driverless car                            high-speed train
petrol-powered cars                        eco-friendly vehicles                  self-balancing
1. People will not drive _____ in 10 years' time because they cause pollution..
2. Riding on a _____ is more comfortable than a traditional train.
3. _____ will be greener than the ships we are using today.
4. You can relax and read if you ride in a _____.
5. _____ will certainly become popular in the near future.
6. A solowheel is fun and safe to ride. It is _____ so riders do not fall

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    driverless              runs on               eco-friendly               bullet trains                 bamboo-copter                 
1. A teleporter is _______so it does not cause pollution.
2. A solowheel _______electricity, so it is safe for the environment.
3. A convenient way to go to school is by _____. Just put it on and fly away.
4. You can sleep when you travel by ________ car.
5. ____ are faster and greener than normal trains.
IV.Give the correct forms of the verbs in brackets: Simple future or Future continuous.

1.Our Physics teacher (explain) _____that lesson to us tomorrow.
2. Who (look) _____after the children when you are away?
3.(phone) _____ you as soon as I finish my work.
4.We (move) _____to our new house at Christmas this year.
5. The boys (not do) __________ their homework at the moment. They (watch) __________ TV instead.
6.Listen !. The music (get) _____ louder and louder. Many people (put) _____ their hands over their ears.
7.. I often (play) ______ the piano in the evening, but tonight I (watch) ______ TV.
8.. Normally my father (water) ______the vegetables , but today he (cook) ____....__ in the kitchen.
9. They (have) ______ a lot of work to do, so they (not go) ______ to town tonight.
10. He usually (come) ______ back home at one o'clock, but today he (work) ______ late.
11. Lan always (call) ______ me when I (do) ______ my homework.
12. The workers (put) ______ the solar panels on the hill when it suddenly (rain) ______.
13. While we (look) ______ for information about energy sources, the electricity (go) ______ out.
14. Look! It (rain) ________heavily.
15. Normally they (start) _______school at eight o'clock in the morning.
16. He hasn't got a bike at the moment, so he (walk) __________to school this week.
17. He always (do) ________his homework in the evening.
18. I'm afraid I have no time to help just now. I (write) _____an essay
V. Rewrite the following sentences so that their meanings stay the same, using the word given for
each.
1. Why don't you travel by public transport? This will help protect the environment. (SHOULD)
_____________________________________________________
2. Electric buses are eco-friendly. They will become popular in big cities soon. (SO)
_____________________________________________________
3. Resorts by the sea are still very expensive. Not many people go there for their holidays next year. (IF)
_____________________________________________________
4. We are not sure if our city will have a skyTran system in the near future. (MIGHT)
_____________________________________________________
5. In a decade, people will have new green modes of travel. They will also spend their holidays in new
places. (AND)
_____________________________________________________
6. They should encourage people/ use public transportation.
…………………………………………………………………………………………
7.
They should use/ renewable energy sources / the sun, wind and water.
……………………………………………………………………………………..
8. They look for / new renewable energy sources / our future and the future of the planet.
………………………………………………………………………………….
9. In the future/city/ be more crowded / traffic / get worse.
_______________________________________________
10. Traffic jams / happen / every day / the air/get/more polluted.
________________________________________________
11. There / many / new means of transport / solve / traffic problems / and / help/ environment.
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________________________________________________
12. New / means of public transport / be / faster / convenient.
________________________________________________
13. People/think of/ spend / holiday/new/ faraway / places.
________________________________________________
14. driverless cars / we/ will have / in 2030 /……………………………………………….
15. cars / cities, won't allow / in 2050 /…………………………………………………
16. electric cars/ will/popular/be/?................................................................
17. What else can you do to save electricity?
………………………………………………………………

VI. Find ONE mistake in each sentence and correct it.
1. The students do the project in Unit 10 now.
2. At the moment, the teacher is explain how solar energy works.
3. Nowadays, people in Africa is not using energy from natural gas.
4. They are use wind energy instead of coal.
5. We look for a cheap, clean and effective source of energy now.
6. My motorbike runs on electricity. How about their motorbikes? _______
7. Your bicycle is blue and my bicycle is red.______
8. My motorbike is an electric one. Her is not. __________
9. Her car can carry four passengers. Our can carry seven passengers. _______
10. Their car runs on petrol. My runs on solar energy. _________
11. We go to school together. I ride my bike, and he rides its. ________
12. My city has a skyTran system. Does yours city have one? _________
VII: Rearrange the words to make meaningful sentences
1. biogas/ is/ cooking and heating/ I think/ for/ abundant and cheap.
=> …………………… ……………………………..…………………………………………
2. we use/ travelling long distances/ public transportation/ Will/ when /?
=> …………………… ……………………………..…………………………………………
3. That is her picture.
=> That picture .. ……………………………..………………………………………….…
4. Solar energy/ in the world/ by many countries/ will be used/.
=> …………………… ……………………………..…………………………………………
5. to another/ How/ people fly from / will/ one continent /?
=> …………………… ……………………………..…………………………………………
6. This is my computer
=> This computer .. ……………………………..………………………………………….…
7. Don't ride your bike too fast. (shouldn't)
@ You
_________________________________________________________________________________
.
8. These are our books
> These books......................................
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9. This is my racket, but that one over there is his.
→ That is ______________________________.
10. Minh hopes to speak English well in 3 years.
→ Minh hopes that ______________________

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