1. Chapter 2

2. Exercise 1, p. 13.
2. I don’t know Sam’s wife. 3. My roommate usually watches television, listens to music, or goes out in the evening. 4. When I turned the key, the car started. 5. Air consists of oxygen, nitrogen, and other gases.

3. Exercise 1, p. 13.
6. The children drew some pictures in school this morning. 7. Right now Sally is in the kitchen eating breakfast. 8. While I was driving home last night, I heard a strange noise in the engine. 9. A: What are you talking about? B: I am talking about the political situation in my country.

4. Exercise 4. p. 15
Complete the sentences with the simple present or the present progressive form of the verbs in parentheses.
2. Kristin (wash) _______ her hair every other day or so.
3. Tony (sit, usually)______ in the front row during classes, but today he (sit) _________ in the last row.
4. Please be quiet. I (try) _________ to concentrate.
5. (you, lock, always) ______ _____the door to your apartment when you leave?
2. washes usually sits . . .is sitting am trying Do you always lock

5. Exercise 4. p. 15
6. I wrote to my friend last week. She hasn’t answered my letter yet. I (wait, still)____ for a reply.
7. After six days of rain, I’m glad that the sun (shine) ____ today.
8. Every morning, the sun (shine) ____ in my bedroom window and (wake) _____ me up.
6. am still waiting 7. is shining shines wakes

6. Exercise 9,p.18 Choose the correct completions.
2. Ask Ahmed for your notebook. He _______it.
a. has b. is having
3. Your notebook is over there. Ahmed _______it.
a. holds b. is holding
4. Look at Olga. She’s smiling and dancing. She _______a good time.
a. Has b. is having
5. Relax. You don’t have to tell me any more about it. I _______you.
a. believe b. am believing
6. Dinosaurs became extinct a long time ago. They _______anymore.
a. don’t exist b. aren’t existing
2 a b b 5 a 6 a 7 a

7. Exercise 10, p18
Complete the sentences. Use the simple present or the present progressive of the verbs in parentheses.
1. Look. It (begin) ___________ to rain. Unfortunately, I (have, not*)_________my umbrella with me. I (own, not) __________ an umbrella. Spiro is lucky. He (wear) __________ a raincoat. I (wear) __________ a waterproof hat on rainy days.
2. Right now Martha is in the science building. The chemistry experiment she (do)_________ is dangerous, so she (be) ________ very careful. She (want, not) _______to spill
any of the acid. She (be, always)._________careful when she does a chemistry experiment.
1. is beginning don’t have don’t own Is wearing wear 2. is doing is being doesn’t want is always

8. Exercise 10, p18
3. Right now I (look) _____ at Nicole. She (look) ______angry. I wonder what’s the matter. She (have) _____ a frown on her face.
She certainly (have, not) _______any fun right now.
4. A: How (you, like) _______the soup? (it, need) _______more garlic?
B: No, it (taste) ______delicious. It (remind) ______ me of my grandmother’s soup.
3. am looking looks has isn’t having 4. A: do you like Does it need B: tastes reminds

9. Exercise 10, p18 5. A: What (you, look) _________ at?
B: You! You (look) _______like your father.
A: (you, think) ______so? Many people tell me I (resemble) _______my mother.
B: I (see) ______your father’s face when I look at you.
5. A: are you looking B: look A: Do you think resemble B: see

10. Exercise 10, p.18
6. Right now I (look) ________around the classroom. Yoko (write)_______in her book. Carlos (bite) ________ his pencil.
Wan-Ning (scratch) ______ his head. Ali (stare) ______out the window. He (seem) _______ to be daydreaming, but perhaps he (think) ______ hard about verb tenses. What (you, think) ______ Ali (do) ____ ?
6. am looking is writing is biting Is scratching is staring seems is thinking do you think is doing

11. Exercise 23, p. 28 /Əd/ /d/ /t/ accepted needed requested believed
complained
died
played
rained
worried
chased
fixed
missed
pushed
thanked
worked

12. Exercise 25, p. 28.
1. Rita stood under a tree when it began to rain. 2. Rita was standing under a tree when it began to rain.

13. Exercise 27, p.30
Complete the sentences. Use the simple past or the past progressive of the verbs in parentheses
2. I (call) ____ Roger at nine last night, but he (be, not) ________at home. He (study) ________ at the library.
3. I (hear, not) _______ the thunder during the storm last night because I (sleep) ________ .
4. It was beautiful yesterday when we went for a walk in the park. The sun (shine) _______ . A cool breeze (blow) ______ .The birds (sing)_______.
2. called wasn’t was studying didn’t hear was sleeping was shining was blowing were singing

14. Exercise 27, p.30
5. My brother and sister (argue) _____ about something when I (walk) _____ into the room.
6. I got a package in the mail. When I (open) _______ it, I (find) ______ a surprise.
7. While Mrs. Emerson (read) ____ the little boy a story, he (fall) _____ asleep, so she (close) ____ the book and quietly (sneak) _____ out of the room.
5. were arguing walked opened found was reading fell .. . closed sneaked/snuck

15. Exercise 27, p.30
8. A: (you, hear) _______ what the teacher just said?
B: No, I (listen, not) ______ . I (think) ______ about something else.
9. I really enjoyed my last vacation. While it (snow) ______ in Iowa, the sun (shine) ______in Florida. While you (shovel) ______ snow in Iowa all last week, I (lie) _____on a beach in Florida.
8. A: Did you hear B: wasn’t listening was thinking was snowing was shining were shoveling . . .was lying

16. Exercise 37, p. 34 3. watch TV\ in his bedroom
Use the given verbs and expressions of place to complete the dialogues. Use usual word order if the focus is on an activity in progress. If the focus is on the person’s location, put the expression of place between be and the -ing verb.
3. watch TV\ in his bedroom
A: Where was Jim when you got home?
B: He was ________________________________
4. watch TV \ in his bedroom
A: What was Jim doing when you got home?
B: He was _________________________________
5. take a nap \ on the couch in the living room
A: What’s Kurt doing?
B: He’s _____________________________________
3. in his bedroom watching TV watching TV in his bedroom taking a nap on the couch in the living room.

17. Exercise 37, p. 34 6. take a nap \ on the couch in the living room
A: Where’s Kurt?
B: He’s _______________________
7. attend a conference \ in Singapore
A: Where’s Ms. Chang this week?
B: She’s _______________________
6. on the couch in the living room taking a nap attending a conference in Singapore.

18. Exercise 38, p.35
Correct the errors.
1. Breakfast is an important meal. I ’m always eating breakfast.
2. While I was working in my office yesterday, my cousin stops by to visit me.
1. Breakfast is an important meal. I always eat breakfast.
2. While I was working in my office yesterday, my cousin stopped by to visit me.

19. Exercise 38, p.35 3. Yuki staied home because she catched a bad cold.
4. My brother is looks like our father, but I am resembling my mother.
3. Yuki stayed home because she caught a bad cold.
4. My brother looks like our father, but I resemble my mother.

20. 5. Jun, are you listen to me? I am talk to you!
6. While I was surfing the internet yesterday, I was finding a really interesting Web site.
5. Jun, are you listening to me? I am talking to you!
6. While I was surfing the internet yesterday, I found a really interesting Web site.

21. 7. Did you spoke English before you were come here?
8. Yesterday, while I was working at my computer, Shelley was suddenly coming into the
room. I wasn’t knowing she was there. I was concentrate hard on my work. When she
suddenly speak, I am jump. She startle me.
7. Did you speak English before you came here?
8. Yesterday, while I was working at my computer, Shelley suddenly came into the room. I didn’t know she was there. I was concentrating hard on my work. When she suddenly spoke, I jumped. She startled me.