Unit 1
14.  1-f   2-d   3-a   4-c   5-b   6-e
15.  1.works   2.is directing   3.is staying   4.is flying   5.leaves   6.likes   7.hates

Unit 2
13.  1.who   2.whose   3.who   4.which   5.which
14.  1.who`s   2.whose   3.who`s   4.whose
15.  1.A shark is animal which eats meat.
 2.A builder is someone who build flat.
 3.A doctor is someone who health people.
 4.Washing machine is machine  which washes clothes.
 5.Camera is machine machine which take a photo.
18.  1.with   2.with   3.her   4.is   5.likes   6.most   7.in   8.is

Unit 3
10.  1-b   2-a   3-d   4-f   5-c   6-e
11.  1.was having, was stealing   2.has been repaired   3.has been lying   4.were exploring, was appearing   5.was skiing, was breaking   6.has been working
13.  1.ago   2.for   3.ever   4.never   5.since   6.already   7.yet   8.while   9.when   10.so far
14.  1.We haven`t been fishing since last summer.
 2.It`s the first time she has eaten Chinese food.
 3.How long is it since he went to Naples?
 4.We haven`t eaten out for a long time.
 5.He hasn`t been to Delhi for 5years.

Unit 4
17.  1.The island was so peaceful that we felt completely relaxed. It was such a peaceful island that we felt  completely relaxed.
 2.The museum was so amazing that we spent a whole day there. It was such an amazing museum the we spent a whole day there.
 3.The hotel was so noisy that I didn`t sleep. It was such a noisy hotel that I didn`t sleep.
 4.The streets were crowded that we missed the appointment. It were such crowded streets that we missed the appointment.

Unit 5
7.   1-c   2-a   3-e   4-d   5-b
9. A 1.was looking   2.was   3.were running   4.saw   5.gasped   6.was walking   7.began   8.realised   9.were staring
 B  1.was raining   2.was blowing   3.was walking   4.was   5.were   6.heard   7.was getting   8.turned   9.saw
C   1.was working   2.was digging   3.found   4.opened   5.was being
10.  1.He was running fast, carrying a big box.
2.They were standing at the edge of the cliff, admiring the view.
 3.Tim was watching TV, eating his supper.
11.  1.sailing   2.enjoying   3.blowing   4.trying   5.making  6.talking   7.crashing   8.sitting     9.helping

Unit 6 
7.   1-b   2-c   3-a
8.   1.had already started   2.had shown   3.had been traveling   4.had been typing   5.had saved   6.had been practicing   7.had been looking   8.had left
10.  Must-have to   mustn`t-don`t have to   are not allowed to-needn`t
11.  In the museum,you:
a.mustn`t take photos
b.must buy a guidebook
c.needn`t leave your bags at the door
d.mustn`t touch the exhibits
In the hotel,you:
 a. mustn`t disturb the other guests
b. must leave the room by 12:00
c. needn`t tidy your room
d. mustn`t leave any valuable in the room
13.  Hippos are bigger teeth than giraffes.
 Hippos are bigger mouth than giraffes.
 Hippos are as heavy as giraffes.
 Hippos are long less neck than giraffes.
 Hippos aren`t as tall as giraffes.
 Hippos are fatter than giraffes.
 Hippos are run fatless than giraffes.
 Hippos are as dangerous as giraffes.

Unit 7
12.  1.Fiona`s eyes were red. She had been weeping for all night.
 2.Tim felt exhausted. He had been working in the field for 3 hours.
 3.John was dirty. He had been fixing his car for hours.
 4.Ann felt sleepy. She had been watching TV for all night.
13.  1.got,had prepared   2.took,had been working   3.was,had ever seen   4.entered,had drawn
5.had finished, called   6.arrived,had left    7.had been traveling, had decided   8.had been, had turned on

Unit 8
7.   1-c   2-d   3-b   4-a
10.  1.will   2.am going to   3.will    4.am going to   5.am going to
11.  1.will   2.-    3.will   4.will   5.-    6.will   7.will
13.  1.If  I get a promotion, I’ll buy a car.
 2.If  I get a promotion, I’ll go on a cruise.
 3.If I get a promotion, I’ll move to a bigger house.
4.If I get a promotion, I’ll buy some new clothes.
 5.If I get a promotion, I’ll have a party.
14. 1.We may go on a picnic unless it rains.
2.I'll build more schools if i become president.
 3.The dog won't bite you unless you bother it.
4.I won't go shopping unless I have time.
5.I'll buy a new jacket If I can afford It.
6.I won't get a promotion unless I work hard.
15.  1.If  I drive through the city, I’ll run into traffic. If I run into traffic,  I'll be late for my interview. If I’m late for my interview, I won't get the job. If I don't get the job,  I won't be able to pay my rent.
2.If I don't study. I won't pass my exams. If I don't pass my exams, I won't be able to stay in this school.  If I can't stay in this school, I can't get a good career. If I can't get a good career, I won't be able to live on  my own.

Unit 9
8.   1.statement sentence   2.question sentence
a. The sentence in the speech bubble said that they will, but the other one said that they would.
bathe sentence in the speech bubble said why do you but, the other one said why did you thin.
9.   1-said   2-told   3-said    4-said
10.  1. The doctor told me he has been seeing patients all morning.
2.The boy told his mother he forgot to walk the dog.
3.Craig told his wife that there are not going to tonight.
4.The man told someone he is looking for a job.
5.He told me he just finished his homework.
6.The boss told me he needs another secretary
11.  1.asked   2.ask+if/whether   3.time words
12.  1."What do you want to eat" Fred said.
2."Your friend is waiting for you “Ann said to Frank.
 3."I have paid the bills" said Mr. Jones.
4."I didn't buy anew dress yet “Helen said to Janet.
5."could you help me with my homework “said Sue
13.  I asked her if she had to wardresses all the time.  I also wanted to know if she dances and if she could read English.

Unit 10
10.  1-a   2-c   3-b