Exercises of Grammar & Vocabulary
( Unit 11)
A. Choose the best answer among A,B,C and D.
1. Non-renewable energy sources are running ____.
A. up B. on C. to D. out
2. In some countries people use wind or sea ____ as the environment friendly
energy sources.
A. waves B. water C. products D. weeds
3. Those villagers …………near the forest shop down hardwoods to sell for
high prices.
A. live B. who live C. whom live D. for whom to live
4. Coal and oil are non-renewable ____ sources.
A. engineer B. energy C. engineering D. energetic
5. Coal was the first fuel ……………to power machinery.
A. is used B. using C. to use D to be used
6. Oil, coal and natural gas are ____ fuels made from decayed material.
A. unleaded B. smokeless C. solid D. fossil
7. All fossil fuels are ____ resources that cannot be replaced after use.
A. unlimited B. renewable C. available D. non-renewable
8. We should develop such ____ sources of energy as solar energy and
nuclear energy.
A. tradition B. alternative C. revolutionary D. surprising
9. Increased consumption will lead to faster ____ of our natural resources.
A. exhaust B. exhausting C. exhaustion D. exhaustive
10. The man showed us the cage ……………he kept a fierce lion.
A. which B. that C. in which D. in that
11. Biogas is the largest energy ……………..available in rural areas in
developing countries.
A. sources B. resources C. source D. resource
12. Energy reserves are strictly ………………. .
A. limit B. limitation C. limited D. limits

A. who elected B. to be elected C. was elected D. her election as
27. She is the only in the discussion ____ to using nuclear power.
A. objects B. objected C. to object D. whom objects
28. Johnny was the last applicant ____ for a position in that energy station.
A. to interview B. interviewing
C. to be interviewed D. which is interviewed
29. The instructions ……………. by Professor Johnson helped us
know more about the danger of energy pollution.
A. that explained B. explained C. explaining D. which explained
30. Neil Armstrong was the first person ……………..foot on the
moon.
A. set B. to set C. who setting D. to be set
31. The last person that leaves the room must turn off the lights.
A. The person who turn off the lights must leaves the room.
B. The last person to leave the room must turn off the lights.
C. The last person to turn off the lights must leaves the room.
D. The one who turns off the lights in the room is the last person.
32. Do you think you are the only person …………….the danger?
A. for having seen B. to be seen C. to see D. for seeing
33. Lady Astor was the first woman …………her seat in Parliament.
A. take B. to take C. taking D. who takes
34. Pioneers, ……………in isolated areas of the United States, were
almost totally self-sufficient.
A. who living B. living C. lived D. that lived
35. Rain forests are places ……people harvest wood, delicious fruits and
powerful medicine.
A. in which B. in that C. in where D. which
36. I think the reason...................... we got on so well is that we both
enjoy talking.
A. why B. which C. that D. what

B. The Sales Manager is a young woman in whom we have great confidence
her
C. The Sales Manager is a young woman in which we have great confidence.
D. The Sales Manager is a young woman in whom we have great confidence.
45. Cathy is trustworthy. She is a person upon …………..you can always
depend.
A. who B. whom C. that D. x
B. Find mistakes in following sentences and correct them.
1. The man to speak to me is John’s brother.
2. He is the second person be killed in that way.
3. They work in a hospital sponsoring by the government.
4. It an essay writing in 1779, Judith Sargeant Murray promoted
the cause of women’s education.
5. A dam is wall building across river to shop the river’s flow and
collect the water.
6. The government stated that if we did not control the birth rate
immediately we will have to suffer a lot of from overpopulation
7. Those women said that if they had known how to use birth
control methods they would have not had many children.
8. If you were here yesterday, you would have seen Jean.
9. Unless we work harder, we wil l finish it on time.
10. If I will have to make a difficult decision, I will discuss it with
my friends.
C. WRITING:
I. Reduce the relative clauses to participial phrases.
1. I don’t like people who arrive late.
2. I live in a house which was built a century ago.
3. The people who work here are very interesting.
4. The handkerchief which was embroidered by my sister was really
beautiful.

Ginette Hemley, Fund’s vice president for species
conservation, told The Washington Post in September. And
so our message is “ Don’t buy it , and don’t take that
chance”.
A Wildlife Fund report states that the United States seized
8,300 illegal ivory items between 1995 and 2002. Each week
there are about 1,000 ivory auctions, the report said.
As for tigers, their parts are used in traditional Chinese
medicine. Tiger bones are used as a pain reliever in
traditional medicine. Even tiger’s whiskers are sold because
some people in Asia think they are a good-luck charm – like
a rabbit’s foot in the United States. “ Part of our job is
education,” said Professor Dillon. “ The other part is law
enforcement. So we have more than one strategy.”
1. Hunters poach tigers for their ……………………… .
A. ivory B. pelts C. carving D. jewelry
2. Which sentence is NOT true.
A. Elephants are hunted for their ivory.
B. It is not illegal to sell ivory
C. There are about 4,000 elephants killed each year.
D. Elephant ivory is used to made jewelry.
3. The word it in line 7 referred to ……………. .
A. an elephant B. a tiger C. tiger pelts D. elephant ivory
4. The Chinese use parts of the tiger as ………….. .
A. carving B. jewelry C. decoration D. medicine
5. According to Professor Dillon, ………………. .
A. there is only one strategy to solve the problem
B. it is education that can help to solve the problem
C. we need both education and law enforcement to solve the
problem