1. A

2. C

3. D

4. A

5. D

6. A

7. C

8. A

9. A

10. D

11. D

12. D

13. A

14. D

15. C

16. B

17. A

18. C

19. A

20. D

Exercise 2: Underline and correct ONE mistake in each sentence

1. Denis is more generous than Patrick - he always pays -> pay to the drinks!

2. He mustn’t practises -> practise the piano tonight. He is not very good.

3. She left without close -> closing the door.

4. It’s not easy to learning -> learn a language.

5. He is very good at talk -> talking to new people.

12. C -> hears

13. D -> wings

14. B -> steam

15. A -> will

16. A -> have to

17. C -> big

18. C -> splashes

19. D -> to attend

20. C -> cook

Other laptops in the shop are expensive than this one.

= This laptop is the cheapest in the shop.

2. My class has got forty-five students.

=> There are forty-five students in my class.

3. How many restaurants has the ship got?

= How many restaurants are there in the ship?

4. My team has got twenty members.

=> There have been twenty members in my team.

5. Peter is interested in soccer.

=> Peter is into soccer.

6. Hoa is into badminton.

=> Hoa is interested in badminton.

7. My family has got four people.

= There are four people in my family.

8. I walk to school every day.

=> I go to school on foot every day.

9. Mark often walks to school.

=>Mark often goes to school on foot.

10. Other hotels in the city are uglier than this one.

= This hotel is the ugliest in the city.

11. Farmers go to the farm on foot every day.

=> Farmers walks to the farm every day.

12. How many chefs has the restaurant got?

=How many chefs are there in the restaurant?

13. This school is the biggest one in the city.

→ Other schools in the city are not as big as this one.

14. Linda is into basketball.

= Linda is interested in basketball.

15. This bike is the cheapest one in the shop.

→ Other bikes in the shop are not as cheap as this one.

16. How many players are there in the football team?

=How many players has the football team got?

17. Mark is interested in volleyball.

= Mark is into volleyball.

18. There are ten members in my group.

=> My group has ten members.

19. How many teachers are there in your school?

=How many teachers does your school have?

20. Other streets in the city are shorter than this one.

= This street is the shortest in the city.

If I don't get enough sleep, I can't function properly at work.

If your interview is successful, you will be offered the job.

If you send us your feedback, the improvement of our services will be better.

VI. Supply the correct verb form.

1. I (not be) .............am not........hungry. I (not want) ........don't want............any rice.

2. Wait! Miss Mai (have)........is having......breakfast

.....Do....you (like).............like....lemonade?

3. They (be)…were… in Ha Long Bay last week.

He usually (go) …goes….to work by bus.

4 ……Did…….. you (visit)..............visit.............last summer?

5. I …have.. just…bought…..(buy) a ticket.

I'm going to the movie at 8 o’clock this evening

IV. Choose the word whose main stressed syllable is placed differently from that of the other in each group.

1. A. musician      B. enormous         C. natural    D. improvement

2. A. effective       B. plentiful  C. dangerous         D. limited

3. A. population   B. education         C. consumption    D. satisfaction

4. A. energy B. countryside       C. changeable       D. volunteer

5. A. renewable     B. artificial  C. unfortunate       D. continuous

6. A. different       B. serious    C. effective  D. regular

7. A. dangerous    B. countryside       C. energy     D. volunteer

8. A. incapable      B. sincere    C. loyalty    D. success

9. A. development          B. satisfaction       C. population        D. education

10.     A. interfere B. convenient       C. referee     D. cigarette

11.     A. attraction         B. humorous         C. acquaintance     D. unselfish

12.     A. changeable      B. dioxide   C. countryside       D. natural

13.     A. important        B. plentiful  C. familiar   D. convenience

14.     A. disease   B. service    C. standard  D. tourist

15.     A. agriculture       B. industrial C. behavior D. economy

V. Choose the best answer to complete each of the following sentences.

1. The wind, the sun, and the wave are some types of _____ sources of energy.

A. changeable       B. alternative         C. cheap               D. costly

2. Remember to __________ the lights before going to bed.

A. turn                  B. turn on             C. turn off            D. stop

3. People will reduce energy __________ as much as possible.

A. consume          B. consumption    C. expense            D. expenses

4. Nuclear power is expensive and dangerous __________ our environment.

A. for                    B. to                     C. in                     D. with

5. Human is looking for a clean, cheap and __________ sources of energy.

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

6. Low energy light bulbs should be used to __________ electricity.

A. spend               B. buy                  C. convert             D. save

7. We must __________ the amount of water our family used every day.

A. lower               B. reduce              C. lessen               D. narrow

8. At this time next month we __________ to Ha Long Bay for a holiday.

A. will go             B. will going         C. will be gone     D. will be going

9. By the middle of the 21st century, people in developing countries __________ more renewable energy.

A. uses                  B. will be using     C. used                 D. have

10. Fossil fuels are very common in our society but they _____ the environment.

A. renew               B. provide            C. waste                D. pollute

11. When you save energy, you not only save money, you also reduce the demand for ___ such as coal, oil, and natural gas and that is a great way to play a part in saving the planet.

A. carbon footprint                  B. electricity         C. fossil fuels           D. biogas

12. In India, the demand for __________ has always been more than the supply.

A. shortage           B. sources             C. slogan              D. electricity

13. __ energy is produced by collecting sunlight and converting it into electricity.

A. Hydro              B. Nuclear            C. Solar                D. Wind

14. There are many available __ power sources in Vietnam including sun, wind, water, etc.

A. nuclear             B. hydro               C. renewable         D. solar

15. Laos and Cambodia have big plans for building up to 11__ on the lower Mekong.

A. dams                B. slogans             C. energy              D. coals

16. ___ can be an excellent source of free, renewable energy for poor farmers.

A. Turbine            B. Biogas              C. Solar panel       D. Bulb

17. The government has warned that Britain will face power __ in the coming winters.

A. coal                  B. shortages          C. slogans             D. energy

18. Wind power is one of the earliest ____sources of energy used by humankind.

A. alternative        B. polluted            C.