1. Can you turn ....................the light? It's too dark.

a. on b. off c. in d. for

2. What are you looking .................... ? . My picture book. I've lost it.

a. on b. off c. in d. for

3. There are .................... saving methods and inventions to use solar energy.

a. energetic b. energize c. energy d. energetics

4. I had to pay much money this month for the international ....................

a. calls b. calling c. to call d. called

5. A new air-conditioner will be .................... this morning.

a. to install b. installed c. installing d. install

6. Scientists are looking for an .................... way to reduce energy consumption.

a. effect b. effection c. effective d. effextively

7. We can .................... easily in the daylight

a. to read b. reading c. readed d. read

8. She won't take all these suitcases .................... she likes to travrel light.

a. so b. but c. because d. therefore

9. They are completely short of water now. A nmber of people have died because of this ....................

a. shortage b. short c. shorten d. shortly

10. What can we do to spend less .................... lighting?

a. in b. on c. about d. of

11. She won't take all these suitcases ...........she likes to travel light

A. because B.but C. so D. therefore

12. Her parents saw her ............... at the railway station.

A. in B. for C. up D.off

13. We can..............easily in the daylight.

A. read B. to read C. reading D. readed

14. What are you looking .................. - My picture book I've lost it.

A. for B. off C. in D. on

15. A new air-conditioner will be .................. this morning

A. installing B. to install C. installed D. to install

16. There are..... saving methods and inventions to use solar energy.

A. energy B. energize C. energetic D. energetics

17. I had to pay much money this month for the international!...............

A. calls B. calling C. call D. called

18. Can you turn...the light? - It's too dark.

A. on B. off C. in D. for

19. Scientists are looking for.. way to reduce energy consumption.

A. effectively B. affection C. effect D. effective

20. Mary's eyes are weak she has to wear glasses

A. but B. however C. and D. therefore

1.Scientists are looking for an…….way to reduce energy consumption.(effect/effecting /effective/effectively)

2.I suggest ………money for the poor in our village. (save/to save/saving/saved)

3.  Solar energy doesn’t cause....... ( pollution/polluted/pollute/unpolluted)

4.  Who looks.................. your children when you are away from home?(for /at /after /to)

5.  He shouted and looked............... at me when I broke the vase.(angry/angrily/angrier/ angried)

6.  Everyone must take part in............ deforestation.(to prevent/prevent/preventing/prevented)

7.  I’m very......... that I will go to Dalat tomorrow.(excited/ excite /excitedly/ exciting)

8.  He is tired........... he stayed up late to watch TV.(so/but/and/because)

9.  If Ba................ rich, he would travel around the world( is/was/will be/were)

10. We are saving money....... we want to buy a new house. (so/because/but/ and)

VII.  Choose the best answer.

1.Scientists are looking for an…….way to reduce energy consumption.(effect/effecting /effective/effectively)

2.I suggest ………money for the poor in our village. (save/to save/saving/saved)

3.  Solar energy doesn’t cause......... ( pollution/polluted/pollute/unpolluted)

4.  Who looks................... your children when you are away from home?(for /at /after /to)

5.  He shouted and looked.................. at me when I broke the vase.(angry/angrily/angrier/ angried)

6.  Everyone must take part in.............. deforestation.(to prevent/prevent/preventing/prevented)

7.  I’m very.......... that I will go to Dalat tomorrow.(excited/ excite /excitedly/ exciting)

8.  He is tired............ he stayed up late to watch TV.(so/but/and/because)

9.  If Ba................ rich, he would travel around the world( is/was/will be/were)

10.  We are saving money......... we want to buy a new house. (so/because/but/ and)

11.  Your teacher writes poems and stories,................ she? (don’t/won’t/didn’t/doesn’t)

12.  The car............. she has just bought is very modern( which/that/X/all are correct)

13.  My father has to go to work................ it is raining hard.( although/but/because/and)

14.  She doesn’t know the man.......... sent her this letter.( which/who/whom/whose)

15.  If you press that button, the alarm.............. (will ring/ringing/ring/would ring)

16…............ air is one of the many problems we have to solve.(pure/polluted/dust/pleasant)

17.  We haven't met since we..................... school. ( left/leave/have left/had left)

18.  Where......................... you go if you have a car ?( would/have/will/did)

19.  Her family is aware of saving................ (energy/energize/energetic/energetically)

20.  I think we should use public transport instead............ motorbikes( by/with/of/for)

21.  He will be in America from Sun day............. Friday (at/on/to/in)

22.  You should reduce the............. of water your family use (number/amount/much/many)

23.  A.......... faucet can waste 500 liters of water a month ( drip/dripped/dripping)

24.  Lan is hungry............. she has not eaten all day (because/if/so/although)

25.  Ba is pleased............. his English is improving day by day ( so/though/that/but)

26.  Gases from factories and vehicles mainly cause air... ( pollute/pollution/polluted/unpolluted)

27.  I suggest that you........... study harder to please your parents ( may/might/should/could)

28.  Family members .........live a part try to be together at Tet ( who/whom/which/whose)

29.  That’s is very kind........ you ( in/at/for/of )

30.  She likes the full-moon festival........... happens in mid-Fall ( who/whom/when/which)

31.  I have no money......... I can’t buy my mother a present ( though/because/so/however)

32.  Nga,....... is standing over there is my best friend ( who/that/whom/whose)

33.  Sunday is a day............. so everybody is free from work or study ( on/of/in/off)

34.  I............. late for the meeting so don’t wait for me ( might/might be/should be/must be)

35.  He eats a lot............. , he is still thin ( and/or/although/however)

VII.  Choose the best answer.

1.Scientists are looking for an…….way to reduce energy consumption.(effect/effecting /effective/effectively)

2.I suggest ………money for the poor in our village. (save/to save/saving/saved)

3.  Solar energy doesn’t cause......... ( pollution/polluted/pollute/unpolluted)

4.  Who looks................... your children when you are away from home?(for /at /after /to)

5.  He shouted and looked.................. at me when I broke the vase.(angry/angrily/angrier/ angried)

6.  Everyone must take part in.............. deforestation.(to prevent/prevent/preventing/prevented)

7.  I’m very.......... that I will go to Dalat tomorrow.(excited/ excite /excitedly/ exciting)

8.  He is tired............ he stayed up late to watch TV.(so/but/and/because)

9.  If Ba................ rich, he would travel around the world( is/was/will be/were)

10.  We are saving money......... we want to buy a new house. (so/because/but/ and)

21. Scientists are looking for an ____ way to reduce energy consumption. (effect)
22.  I want to see the _____ of environment from the local authority. (protect)
23.  Solar energy is ____ by the sun. (provision) 
24. What can we do _____ energy? (conservation)
25. Kristen, remember to use energy more ______! (efficient)
26. She was _____ pleased that she passed the exam. (extreme) 
27. He is one of the best _____ in the world. (environment)
28. We can ____ the environment by reducing air _____(protection/pollute) 
29. It's _____ that he has overcome all difficulties. (wonder) 
30. want to see the _____  of environment from the local authority. (protect)
31. Scientists are looking for an ____ way to reduce energy _____ (consume)
32. There have been some __________ in unemployment. (reduce)
33. That lamp uses very little _______. (electric)

5. Scientists are looking for an effective way to reduce energy _______________. (consume)6. The stream is (cover)................................. with foam.7. Miss Black is a volunteer (conserve)..................................................8. If all the (pollute)..........................................go on , what’s going to happen?9. She was (cheer).............................................. when she passed the exam.

10. The environment is (extreme).......................................... polluted.

. Choose the best option to complete each of the following sentences.