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: I. Choose the best answer:
1. If the factory (continues/ to continue/ continued) dumping poison into the lake, all the fish and other aquatic animals will die.
2. Water (pollution/ pollute/ polluted) in the lake has made the fish die.
3. Mi and Nick like (comes/ come/ coming) back Mi’s home village on holiday.
4. If the factory continues dumping poison into the lake, all the fish and other aquatic animals (will die/ to die/ dead)
6. If we (will use/ would use/ use) water carefully, more people will have fresh water.
7. If the factory continues dumping poison (into/ to/ about) the lake, all the fish and other aquatic animals will die
8. Farmers in our area usually use (pesticides/ herbicides/ waste/ sewage) to kill insects
9. If we (polluted/ pollute/ pollution/ pollutant) the air, more people will have breathing problems
10. If you can experience noise pollution for a long time, you can have headache, high blood pressure and (hearing loss/ contaminant/cough/ radiation)
11. Because the water is polluted, (aquatic/ electric/ chemical/ fresh) plants may also die
12. (Noise/ Headache/ Earplug/ Symptom) is any sound that is loud and constant.
13. Do you know what (polluted/ pollute/ pollution/ pollutant) cause air pollution
14. (Poison/ Poisonous/ Poisoning/ Poisoned) chemical waste is dumped into the river by many factories
15. The (dead/ die/ death/ died) fish are floating in the water.
16. We plant trees, (due to/ because/ because of/ so) we can have fresh air.
17. When the loudness of sounds is more than (20 dBs/ 30dBs/ 50 dBs/ 70dBs), noise pollution happens ( cái này mình cũng không nhớ rõ , ở trong SGK có á , bạn giở ra xem nhé )
18. Too much carbon dioxide (CO2) in the atmosphere (causes/ lead/ result/ make) to global warming
19. Waste from households will gradually (contamination/contaminate/contaminant/ contaminated) the lake.
20. When (visual/ thermal/ light/ radioactive) pollution happens, the water temperature in streams, rivers or oceans changes.
21.We can’t see stars at night (because of/ because/ since/ due) the light pollution.
22.If you (was / were/ are/ could be) in my position, you would understand me.
23.When (visual/ thermal/ light/ radioactive) pollution happens, the water temperature in streams, rivers or oceans changes.
24.Many seabirds were (die/ death/ dead/ died) because of the oil spill.
25.(Aquatic/ Electric/ Chemical/ Fresh) plants may also die because of the polluted water
26. Many animals eat the (litter/ energy/ aqua/ temperature) and become sick.
27. The acid rain has caused (damage/ advantage/ pollutant/ environment) to the trees in this area.
28.If I (have/ has/ had/ will have) one million US dollars , I would build more parks in our city.
#Yumi

22. A lot of fish has died recently because of the _____________ water in this lake.
A. contaminating B. contaminated C. contaminate D. contaminant
23. If the air was clean, we _____________ have to wear masks when going out.
A. wouldn’t B. won’t C. would D. will
24. If I _____________ you, I _____________ water from that dirty tap
A. am - will drink B. am - won’t drink C. were - would drink D. were - wouldn’t drink 2
5. If he _____________ trash around his garden, the garden would look very nice now.
A. will throw B. would throw C. didn’t throw D. doesn’t throw
26. Price and availability are the _____________ factors that will determine product success.
A. critical B. musical C. physical D. medical
27. If it rains, we _____________ the match.
A. cancel B. will cancel C. cancelled D. cancelling
28. If I were a tree, I _____________ the rain.
A. love B. loved C. will love D. would love
29. The decor inside the house was very_____________.
A. fantastic B. electric C. mechanic D. artistic
30. If she _____________ late, we will go without her.
A. am B. is C. was D. were
31. If I _____________ where she lived, I would go and see her.
A. know B. knows C. to know D. knew
32. We need to be more _____________ about this problem.
A. scientific B. majestic C. domestic D. alphabetic
33. The election campaign has been focused mainly on _____________ issues.
A. dialectical B. energetic C. domestic D. conical
34. If I _____________ the lottery, I would be a millionaire.
A. win B. wins C. winning D. won
35. I will discuss that problem with him if I _____________ him tomorrow.
A. see B. sees C. to see D. seeing
36. If I knew Chinese, I _____________ for job in China.
A. will apply B. would apply C. will be applied D. would be applied
37. She was unable to find a _____________ job.
A. important B. importantly C. permanent D. permanently
38. Any company found to be breaking these rules will be heavily _____________.
A. fined B. done C. made D. got
39. These figures are for _____________ purposes only
. A. illustrate B. illustrating C. illustrative D. illustration
40. I would go jogging with Mark if he _____________ here today.
A. is B. will be C. were D. would be
41. Many species of wildlife are becoming extinct, _____________ the rainforests are being destroyed.
A. therefore B. since C. consequently D. so
42. Hemp can be used to make paper, _____________ it could reduce the need for logging.
A. consequently B. due to C. so D. since
43. _____________ logging provides jobs and profits, the government is reluctant to control it.
A . So B. Consequently C. Since D. Due to
44. Hemp was grown throughout history_____________ its versatility; it can be used to make many different things.
A. due to B. because C. since D. as a result
45. Hemp is related to the marijuana plant; _____________ it is illegal in many countries.
A. so B. due to C. as a result D. because
46. The polluted chemical waste was dumped into the ocean; _____________,the mass of fish died.
A. because B. as C. because of D. consequently
47. It was guessed that the fish died_____________ a powerful toxin in the sea water.
A. because of B. because C. since D. as a result
48. Many species in BC are threatened _____________ logging.
A. so B. because C. since D. due to
49. Smoking can_____________ heart disease.
A. lead to B. create C. causes D. due to
50. Radioactive pollution is increasing _____________ the increased use of radioactivity.
A. as B. since C. because of D. because
Mình chỉ sửa cho bạn Hải là câu 24 phải là D nha vì nếu là would drink thì chả lẽ là uống nước bẩn?Và câu 26 phải là medical nha, bài này cô chữa cho mình nên không sai đâu.

1. The temperature of water increases. Many fish in the river die ( since)
=> Many fishes in the river have died since the temperature of water increased.
2. People use too much herbicide to treat weeds. Water in rivers and canals are extremely polluted and has bad effects on people's health( Because)
=> Water in rivers and canals are extremely polluted and has bad effects on people's health bacause people use too much herbicide to treat weeds.
5. The noise from the music club is loud. The residents of the street cannot sleep( because of)
=> The residents of the street can't sleep because of the loud noise from the music club.
7. It rained heavily. The road in front of my house was flooded( due to)
=> Due to the heavy rain , the road in front of my house was flooded.
8. Noise pollution is one of the major of stress and anxiety. People suffer from stress and anxiety( due to)
=> Due to noise pollution , people suffer form stress and anxiety.
9. Global warming happens. There is too much carbon dioxide in the atmosphere( causes)
=> Global warming causes too much carbon dioxide in the atmosphere.
10. Light pollurion occurs.We are unable to see the stars in the sky (makes)
=> Light pollution makes us can't see the stars in the sky.
12. The tsunami happened. Many people in this area became homeless( made)
=> the tsunami made many people in this area bacame homeless

I. Pronunciation: Choose the word whose main stress is placed differently from the others
1- A. photography B. dramatical C. conservation D. biology
2- A. physical B. disagree C. poisonous D. national
II. Choose the word or phrase that best fits the blank space in each sentence
1. We have decreased air pollution.............................. scientific achievements.
A. because B. so C. because of D. lead to
2. Thousands of buildings and houses were completely ........................ when the earthquake happened the city
A. raged B. destroyed C.shook D. rescued
3- All our English teachers are ………………………. speakers
A. mother tongue B. foreign C. original D. native
4 . Soil wouldn’t =>wouldn't be so polluted if farmers didn’t use too much chemical fertiliser.
A B C D
5. Some people need medical help because they have drunk ..............water
A. contaminate B. contaminated C. contaminant D. contamination
6. Much of the town ……………………………… after the massive destruction of the tornado.
A. is rebuilding B. was rebuilt C. are rebuilding D. were rebuilt
7. It looked like my picture ……………………………. by my younger sister sometime before.
A. had been damaged B. has been damaged C. was damaged D. had damaged
8. What .........................you do to help the environment if you ........................... the president?
A. will / are B. would / was C. could/ were D.can/ will be
Grace loves nature, _______ she is happy when her group will go camping in a jungle next week. *
because
but
or
so
There’s just so much _______ pollution from the ground that we simply can’t see most of the stars. *
noise
light
thermal
water
A lot of fish has died recently because of the __________ water in this lake. *
contamination
contaminated
contaminate
contaminant
Choose the word whose MAIN STRESSED syllable is placed differently from that of the others: *
historic
botanic
classical
electric
If the air was clean, we ________ have to wear masks when going out. *
will
won’t
wouldn’t
would