1. We must use electricity .............economically..................... ( economy ) 2. ......Solar............... energy is the best alternative source of energy ( sun ) 3. Some volunteer ....conservationists.......................... are cleaning up the beach ( conserve ). 4. .......Prevention........... is better than cure ( prevent ) 5. A good body and love from our parents are the most .......priceless.................. thing I have ( price). 6. These toys made in the USA is .....harmful.......... to children ( harm ) 7. Food is a .........needy...... of our life ( need ). 8. No doubt there will be a great ............shortage.............. of food for the world's population ( short ). 9. I am .............extremely....... disappointed to know my children have not cleaned up all the trash ( extreme ). 10. Neighbors ...............complained.............. to the police about the noise from that house last night ( complaint ) 11. White ao dai symbolizes the ...............purity..... of the girl students ( pure ) 12. Smoking does harm ...................Đề sai :)............ to people's health ( repair ). 13. Speaking in pubic seems to come quite ..........natural.................. to her ( nature ). 14. We are looking forward to the latest ............innovation.............. in computer technology ( innovate ). 15. ............Ultimately........................, you will have to make the decision yourself ( ultimate ). 16. The lava in the volcano ...........solidifies................ as it cools ( solid ). 17. Paper and most plastics are ..............recycled............... materials ( recycle ). 18. What should you do at school to ..............minimize................... pollution ! ( minimum )

1. Economically

2. Solar

3. Conservationists

4. Prevention

5. Priceless

6. Harmful

7. Needy

8. Shortage

9. Extremely

10. Complained

11. Purity

13. Natural

14. Innovation

15. Ultimately

16. Solidifies

17. Recycled

18. Recycled

19. Minimize

1. accessible

2. unnoticeably

3. annoyances

4. exploration

5. magnificent

6. promote

7. establishment

8. various

9. recognition

10. promote

11. established

12 varied

13. recognition

14. promotion

15. globalization

16. operation

17. establishment

18. exhibitions

19. explorers

20. variety

1. He makes people laugh a lot. He is a. ...humorous.... person. (Humor)

2. Mary is the best student in our class. She will be..distinguishable....person in future. (Distinguish)

3. Some solutions for the polluted environment are not ...satified...., so there is a little..satisfactory....with them. (Satisfy)

4. The happy.....in childhood always remain in my mind. That is really....... (Memory)

5. Some traditional festivals should be..conserved.....or else they will disappear in the near future. (Conserve)

6. The government are trying to develop the...conservation...of wild life world. (Conserve)

7. This new car is very...innovative....., i like its....innovation... (Innovate)

8. The........of this machine is higher than the other. We can work...... (Efficient)

9. He is a potential..consumer.....so you should try to treat him well. (Consume)

10. The...consumable.of our product this month hasn't been as higher as last month. (Consume)

1. He makes people laugh a lot. He is a humorous person. (Humor)

2. Mary is the best student in our class. She will be distinguishable person in future. (Distinguish)

3. Some solutions for the polluted environment are not satisfied, so there is a little satisfactory with them. (Satisfy)

4. The happy .......in childhood always remain in my mind. That is really....... (Memory)

5. Some traditional festivals should be conserved or else they will disappear in the near future. (Conserve)

6. The government are trying to develop the conservation of wild life world. (Conserve)

7. This new car is very innovative, i like its innovation (Innovate)

8. The......of this machine is higher than the other. We can work...... (Efficient)

9. He is a potential consumer so you should try to treat him well. (Consume)

10. The consumable of our product this month hasn't been as higher as last month. (Consume)

1......consumers.........want products that will not only work effectively , but also save money (consume )
2. The sun can be an .....effective.....source of power (effect)
3. Life always needs a lot of........innovations........ (innovate)
4. ……………ultimately……………., you will have to make the decision yourse (ultimate)
5. There is a.......dripping........ faucet in your kitchen (drip)

1. She belives she finally find true.....happiness......... (Happy)

2.A......debtor .. .....is a person who is in debt (debt)

3.Your written work is in need of some....improvement........ (Improve)

4.It's .....wonderful..... .... To see you again (wonder)

5.she has decided to take early......retirement. . .........(retire)

6.A new book on Dien Bien Phu campain will be.. ..published.. ..... next year(publish)

7.We need your....cooperation ....... .to finish the work successfully (cooperate)

8.His classmates shouted.. . ...excitedly.. .....when he won the match(excite)

9.Mai hs passed the exam. We can see.. ...happiness.........in her eyes(happy)

10.It is.....fashionable... ....to have short hair nowadays(fashion)

11.The secret to(success)....success...... in life is hard working

12.He failed the exam last year. He didn't .successful...... .. (Success)

13.With so many choices, it is hard to...decide . ....(decision) what to buy

14.This problem caused a lot of.. .difficulties. .....(difficult)

15.A lot of morden(nechcial)....... ?......... .. is used in various fields

16.The(develop).. ....development......of synthetic fabric has brought new challenges

(11-12) Choose the underlined word or phrase(A,B,C, or D) that needs correcting:

11/ A lot of new schools were => have been built recently.

12 / Environmental pollution is one of the most serious problems faced => facing mankind today.

(13-16) Use the correct tense or form of the verbs in parentheses.

13/ Mr. Green always ______went____ to work by car last year . (go)

14/ She wishes her parents ______were______ here now . ( be)

15/ This magazine_____is_____ widely ____read______ by both teenagers and adults. ( read)

16/ If you study hard, you ______will pass_____ the final exam. (pass)

17-22) Use the correct form of the words in parentheses:

17/ Most accidents can be avoided if people pay more _____attention______ . ( attend)

18/ The fans were extremely ____disappointed______ because their team lost. ( appoint)

19/ Ha Long Bay attracts large numbers of ____sightseer______ . ( sightsee)

20/ Going abroad for studying is becoming ___increasing________ popular nowadays. (increase)

21/ She enjoys _____picnicking____ with her classmates. ( picnic)

22/ Her parents always ___encourage______ her to study harder. (courage)

1. She made some very helpful suggestions but her boss rejected them all ( suggest)
2. We find advertising on the radio very efficient ( efficiency)
3. If you take me my advice, you'll see a doctor ( advise)
6. He needs to call in an electrician to sort out the wiring ( electric)
7. She is not only a savvy housekeeper but also a clever cook (save)
8. The sellers need a lot of new products to supply buyers ( produce)
10. You should have a mechanic check your motorcycle regularly (regular)
11. People's encouragement energizes to them who are fighting the enemy ( energy)
12. If we go on wasting water, we will be a fresh water shortage in a few decades ( short)
14. She expressed pride in her child's achievement (achieve)
15. To save energy the students shouldn't use paper wastefully (waste)
16. Nowadays consumers want more information about the food they buy ( consume)
17. All building in Sweden will be heated by solar energy in 2015 ( sun)
18. Installation of water pipes requires several days ( install)
19. I spent money enormously on traveling summer vacation ( enormous)
20. The full effects of the new method have not yet been felt ( effect)
21. What can we do to reduce wasteful energy consumption ? ( consume)
22. Most children enjoy electric powered toys ( electric)
23. The outdoor center organizes lots of energetic activities for the kids like cycling ( energy)
24. Ler us know what your favorite innovative products ( innovate)
25. You can be wasteful with your money , spending too much of it on unimportant things ( waste)

1. She made some very helpful ...suggestions ......but her boss rejected them all ( suggest)
2. We find advertising on the radio very ......efficient......( efficiency)
3. If you take me my .........advice......., you'll see a doctor ( advise)
6. He needs to call in an ..electrician..........to sort out the wiring ( electric)
7. She is not only a ........safe.......housekeeper but also a clever cook (save)
8. The sellers need a lot of new.......product.....to supply buyers ( produce)
10. You should have a mechanic check your motorcycle......regularly.....(regular)

WORD FORM HKII :

1. _______unultimately_____, you will have to make the decision yourself ( Ultimate )

2. A ______dripped_____ faucet can waste 500 litters of water a month ( drip )

3. Air pollution can ______directly_____ do harm to people's health ( direct )

4. All ______complaints_____ should be given in writing to the secretary ( complain )

5. Factory ______owner______ let the waste run into the river ( own )

6. He is the most _______effective_____ activist in the town ( effect )

7. If we use much pesticide on vegetables, vegetables become ______poisonous_____ ( poison )

8. ______deforestation_______ is a serious problem in Vietnam nowadays ( deforest )

9. Life always needs a lot of _______innovations______ ( innovate )

10. Liz is talking _______interestingly_____ about her recent vacation in Da Lat ( interesting)

WORD FORM HKII :

1. ______Ultimately______, you will have to make the decision yourself ( Ultimate )

2. A _____dripping______ faucet can waste 500 litters of water a month ( drip )

3. Air pollution can _____directly______ do harm to people's health ( direct )

4. All _____complaints______ should be given in writing to the secretary ( complain )

5. Factory ______owners______ let the waste run into the river ( own )

6. He is the most ______effective______ activist in the town ( effect )

7. If we use much pesticide on vegetables, vegetables become _____poisonous______ ( poison )

8. _____Deforestation________ is a serious problem in Vietnam nowadays ( deforest )

9. Life always needs a lot of ______innovations_______ ( innovate )

10. Liz is talking _____interestedly_______ about her recent vacation in Da Lat ( interesting )