EXERCISE 23, p. 283.
3. An elephant, which is the earth’s largest land mammal, has few natural enemies other than human beings.
4. (no change)
5. At the botanical gardens, you can see a Venus’s-flytrap, which is an insectivorous plant.
6. (no change)
7. One of the most useful materials in the world is glass, which is made chiefly from sand, soda, and lime.
8. Glaciers, which are masses of ice that flow slowly over land, form in the cold polar regions and in high mountains.
9. (no change)
10. Petroleum, which some people refer to as black gold, is one of the most valuable resources in the world today.
11. You don’t have to take heavy clothes when you go to Bangkok, which has one of the highest average temperatures of any city in the world.
12. (no change)
13. Child labor was a social problem in late eighteenth-century England, where employment in factories became virtual slavery for children.
14. (no change)
15. The man, who was wearing a plaid shirt and blue jeans, was caught shortly after he had left the bank.
16. The research scientist, who was well protected before she stepped into the special chamber holding the bees, was not stung.
EXERCISE 24, p. 285.
2. Last night the orchestra played three symphonies, one of which was Beethoven’s Seventh.
3. I tried on six pairs of shoes, none of which I liked.
4. The village has around 200 people, the majority of whom are farmers.
5. That company currently has five employees, all of whom are computer experts.
6. After the riot, over one hundred people were taken to the hospital, many of whom had been innocent bystanders.
EXERCISE 25, p. 285.
2. which is a Porsche.
3. whom are in school at present.
4. which is Conversational English.
5. whom speaks my native language.
6. which were expensive hardbacks.
7. whom were newly graduated PhDs.
8. which have three or more bedrooms.
EXERCISE 26, p. 286. Using noun + OF WHICH.
2. They own an original Picasso painting, the value of which is more than a million dollars.
3. I bought a magazine, the title of which is Contemporary Architectural Styles.
4. My country is dependent upon its income from coffee, the price of which varies according to fluctuations in the world market. [fluctuations = waves of highs and lows]
5. The genetic engineers are engaged in significant experiments, the results of which will be published in the Journal of Science.
6. The professor has assigned the students a research paper, the purpose of which is to acquaint them with methods of scholarly inquiry.
EXERCISE 27, p. 286. Using WHICH to modify a whole sentence.
2. My roommate never picks up after herself, which irritates me. [picks up after herself = makes order in her room]
3. Mrs. Anderson responded to my letter right away, which I appreciated very much.
4. There’s been an accident on Highway 5, which means I’ll be late to work this morning.
5. I shut the door on my necktie, which was really stupid of me.
6. Sally lost her job, which wasn’t surprising.
7. She usually came to work late, which upset her boss.
8. So her boss fired her, which made her angry.
9. She hadn’t saved any money, which was unfortunate.
10. So she had to borrow some money from me, which I didn’t like.
11. She has found a new job, which is lucky.
12. So she has repaid the money she borrowed from me, which I appreciate.
13. She has promised herself to be on time to work every day, which is a good idea.
EXERCISE 28, p. 287. Using WHICH to modify a whole sentence.
2. I didn’t do well on the last test, which disappointed me.
3. The taxi driver was speeding, which made me nervous.
4. Sandra lied to her surpervisor, which shocked all of us.
5. David called from the police station, which means he’s probably in trouble.
6. My best friend took me to dinner for my birthday, which was a pleasant surprise.
7. David didn’t keep his date with Maria, which made her very unhappy.
8. A friend visited my ailing mother in her nursing home, which I appreciated very much.
9. The workmen outside my window were making a lot of noise, which made it difficult for me to concentrate.
10. My best friend said something unkind to me, which bothered me so much that I couldn’t get to sleep.
Exercise 34
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