1.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 2.In India, the demand for ___________ has always been more than the supply. A. shortage B. sources C. slogan D. electricity 3.___________ energy is produced by collecting sunlight and converting it into electricity. A. Hydro B. Nuclear C. Solar D. Wind 4.There are many available ___________ power sources in Vietnam including sun, wind, water, etc. A. nuclear B. hydro C. renewable D. solar 5.Laos and Cambodia have big plans for building up to 11 ___________ on the lower Mekong. A. dams B. slogans C. energy D. coals 6.___________ can be an excellent source of free, renewable energy for poor farmers. A. Turbine B. Biogas C. Solar panel D. Bulb 7.The government has warned that Britain will face power ___________ in the coming winters. A. coal B. shortages C. slogans D. energy

Exercise 1: Choose the best answer.

1. We are looking for _______ place to spend ________ night.

A. the/the B. a/the C. a/a D. the/a

2. Please turn off ________ lights when you leave ________ room.

A. the/the B. a/a C. the/a D. a/the

3. We are looking for people with ________experience.

A. the B. a C. an D. x

4. Would you pass me ________ salt, please?

A. a B. the C. an D. x

5. Can you show me ________way to ________station?

A. the/the B. a/a C. the/a D. a/the

6. She has read ________interesting book.

A. a B. an C. the D. x

7. You’ll get ________shock if you touch ________ live wire with that screwdriver.

A. an/the B. x/the C. a/a D. an/the

8. Mr. Smith is ________ old customer and ________ honest man.

A. An/the B. the/an C. an/an D. the/the

9. ________ youngest boy has just started going to ________ school.

A. a/x B. x/the C. an/x D. the/x

10. Do you go to ________ prison to visit him?

A. the B. a C. x D. an

Exercise 2: Choose the correct answer :

1. ________eldest boy is at ________ college.

A. a/the B. the/x C. x/ a D. an/x

2. Are you going away next week? No, ________ week after next.

A. an B. a C. the D. x

3. Would you like to hear ________ story about ________ English scientist?

A. an/the B. the/the C. a/the D. a/ an

14. There’ll always be a conflict between ________ old and ________ young.

A. the/the B. an/a C. an/the D. the/a

5. There was ________ collision at ________ corner.

A. the/a B. an/the C. a/the D. the/the

6. My mother thinks that this is ________ expensive shop.

A. the B. an C. a D. x

7. Like many women, she loves ________ parties and ________gifts.

A. the/ a B. a/the C. a/a D. x/x

8. She works seven days ________ week.

A. a B. the C. an D. x

9. My mother goes to work in ________ morning.

A. a B. x C. the D. an

10. I am on night duty. When you go to ________ bed, I go to ________ work.

A. a/x B. a/the C. the/x D. x/x

Rewrite each sentences, beginning as shown, so that the meaning stays the same

1. We haven't been swimming for ages

It's ages ...........................................

2. The last time I saw Dick was in 1985

I haven't ............................................

3. My father hasn't been to Ha Noi for 2 years

.....................................................................

4. She has never been to the ballet before

It's the first time ..................................

5. I haven't seen him sincel was a student

I last ....................................................

6. He started working for this factory a year ago

He has ...........................................................

Comic books heroes have been popular ____(1)____ many years. One hero has the ___(2)___ of one hundred men. This hero also has the speed of lightning. This hero cannpt be killed. If you think this hero is Superman, you are wrong! This hero is Wonder Woman!

A man ___(3)___ William Marston created Wonder Woman ___(4)___ 1941. He was a ___(5)___ of Harvard University. He used a ___(6)___ name on his comics. He did not want his colleagues to know that he ___(7)___ comics. The false name was Charles Moulton. Mr. Marston wanted to make a strong female hero for little girls. Of course, he hoped that little boys would like Wonder Woman, too. Wonder Woman was not very popular ___(8)___ first. Then, World War II began in 1941. Wonder Woman became a role model for children ___(9)___ the world. She was ___(10)___ strong and beautiful. She always tried to do waht was right. Today, she is still one of the most popular heroes of all time.

1. A. in B. for C. on D. of

2. A. strengthen B. strongly C. strong D. strength

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

4. A. of B. on C. in D. at

5. A. graduate B. graduates C. graduated D. graduation

6. A. true B. false C. truth D. fail

7. A. will write B. writes C. write D. wrote

8. A. in B. on C. at D. to

9. A. around B. through C. of D. for

10. A. between B. either C. both D. neither

Choose the word which has a different stress pattern from the others

1. A. musician B. scientist C. energy D. biogas

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

Change the sentences into the passive voice

1. Will the plumber checks cracks on the water pipes in two day ?

\(\rightarrow\)Will cracks.................................................................................

2. People won't burn fossil fuels for energy in the time

\(\rightarrow\) Fossil fuels................................................................................

3. Space-based solar power will allow us to work around these challenges

\(\rightarrow\) We.............................................................................................

I. Rewrite the sentences, so that their meaning stays the same, using the words given

1. They built the Opera House in 1973.

\(\Rightarrow\) The Opera House ......................................... built

2. She chose my best friend for the school's football team two years ago.

\(\Rightarrow\) My best friend .......................................... chosen

3. Lan passed the oral examination because she practiced speaking every day.

\(\Rightarrow\) Lan practiced .......................................... so

4. Collecting old stamps is my brother's interest.

\(\Rightarrow\) My brother ........................................ interested

5. Rock music is more fantastic than traditional music.

\(\Rightarrow\) Traditional music................................. as