Answer Keys Grammar in Focus Student Book Build
Answer Keys Grammar in Focus Student Book Build
Answer Keys Grammar in Focus Student Book Build
Grow - 3
Answer Keys
Grammar in Focus: Student Book
③
1
Student Book ③
Unit 1 ~ 20
p.6
Discover T
T
Write The heat kills the bacteria. Also, people put the food in cans. The canned food is
fresh. It tastes good. (Answers may vary.)
Say To keep my food fresh, I food and drinks in the refrigerator.
(Answers may vary.)
Objective Pronoun
you
him/ her / it
us
Possessive Pronoun
my
your
their
pp.22~23
A 1. c
2. b
3. c
4. a
5. d
6. c
7. c
8. c
B 1. me
2. it
3. hers
4. us
C
D 1. c good
2. b wind
3. c slowly
4. c her
pp.22~23
E 1. Your idea sounds interesting.
2. The new student is kind and tall.
3. We bought you some gifts.
4. Those are their shoes.
F Look at the sky! People are flying Kite. The small round kite is mine (-> my) kite.
Dad and I made its (-> it) together. They (-> It) looks like a fish. Dave’s kite is big
and yellow. He (-> His) kite flies very well. Judy’s kite is beautiful. But her (->hers)
doesn’t fly well.
p.24
Discover T
Write Earth is heavier that Venus. Venus is heavier than Mars. Earth is lighter than Saturn.
Saturn is lighter than Jupiter. Mercury is lighter than Neptune. Jupiter is heavier than all
other planets. (Answers may vary.)
Say Uranus, Neptune, Saturn, and Jupiter are heavier than Earth. (Answers may vary.)
Say I saw the musical, Hairspray and it was very interesting. (Answers may vary.)
2. A: Is B: he isn’t
6. A: Is B: it is
p.44 Expanded Practice
A 1. I was tired and you were sleepy.
2. She was in a good mood and wasn’t sad.
3. We were hungry but the food was not ready.
4. Katie and Sue are in the same class.
5. He is excited about the soccer game.
6. Are you proud of your family?
7. Was Mr.Jackson your science teacher?
8. Are they good neighbors?
B 1. Are / they aren’t , are
2. was / is
3. Was / he wasn’t, was
C (Answers may vary.)
1. Yes, I am. I am interested in science.
No, I’m not. But I am interested in music.
2. Yes, he is. His name is Rain.
No, she isn’t. Her name is Kim.
3. Yes, I was.
No, I wasn’t.
B are having
plays
have
sing
am having
goes
write
Do
miss
miss
C 1. I’m going to visit my family.
2. I’m reading J.D. Salinger’s the Catcher in the Rye.
3. No, we don’t.
4. Yes, I do.
5. My best friend is painting her wall right now.
(Answers may vary.)
B 1. Yes, I have.
2. Yes, I have.
3. No, I haven’t.
(Answers may vary.)
B 1. was sold by
2. was build
3. was stolen
4. is broken
5. are (were) found by
6. is learned by
7. was not seen
8. is not cleaned
I was written
are
You were is painted
pp.76~77
A 1. d
2. a
3. c
4. b
5. c
6. d
7. c
B 1. has read
2. have not taught
3. have eaten
4. has made
D 1. d fight
2. b broken
3. c done
4. c taken
pp.76~77
E 1. I am going to practice basketball this Friday.
2. We haven’t tried oil paintings before.
3. You are not invited to the meeting.
4. The letter was written by her.
F Has(->Have) you traveled abroad? I haven’t be(->been) abroad yet. But I’ll visit
Europe someday. My friend, Mack have(->has) been to Spain. He has visits(->visited)
Park Guell. The park is a popular place. It was design(->designed) by a famous
architect, Gaudi. The place is visited by many travelers.
p.78
Discover T
T
Write This is the national zoo. You don’t have to buy a ticket. It’s free. You can see a lot of
animals. But you have to be quiet. You mustn’t feed animals. You mustn’t throw
anything into the cage. You have to (must) follow the rules. (Answers may vary.)
Say We have to be quiet at night. (Answers may vary.)
can
can
must
must
don’t have to
p.82
Discover T
T
B 1. can open
2. cannot run
3. can speak
4. cannot wear
5. can ask
Would
may
may
Write Passengers,
- Would you sit still?
- Would you hold the bar near
you? (The cable car has arrived.)
- You may stand up. You may leave now.
(Answers may vary.)
Say Would you fasten your seat belt? (Answers may vary.)
B 1. because
2. so
3. so
4. because
5. because
p.84 Expanded Practice
A 1. but
2. because
3. and / so
4. because
5. but / or
B but / and / / so
because
B 1. enjoys drawing
2. delays doing
3. agreed to go
4. decided to visit
D 1. b have
2. c wait
3. b fixing
4. b so
pp.94~95
E 1. You must not run in the hall.
2. Would you fasten your seat belt?
3. Ms. Smith delayed going to Spain.
4. I enjoy reading books and listening to music.
F My friend, Cindy is in the hospital so(->because) she is sick. Today, other friends
and I plan visiting(-> to visit) her. We must are (->be) quiet in the hospital. We must
not run. Cindy loves roses, because (->so) we decided buying(->to buy) them. Get
well soon, Cindy!