Page 290 - 작업중 파일

Key to Exercises

UNIT 21 UNIT 22 23.5

3 eaten

21.1 22.1

4 enjoying

3 Glass is made from sand. 2 A bridge is being bui lt.

5 damaged

4 The windows are cleaned 3 The windows are being

6 use

every two weeks. cleaned.
5 4 7 gone

This room isn't used very The grass is being cut.

8 understand

much.
22.2
679012345 9 listen ing

Are we allowed to park here? 3 The window has been broken.

日 ow is this word 4 The roof is bei ng repaired. 10 pronounced

pronouneed? 5 The car has been damaged. 11 open

The house was painted last 6 The houses are being UNIT 24

month.

111111 7 knocked down. 24.1

My phone was stolen a few The trees have been cut

days ago. down. 3 got

Three people were injured in 8 They have been invited to a 4 brought

the accident. party. 5 paid

When was this bridge built? 6 enjoyed

22.3 7 bought

I wasn't woken up by the

3 has been repaired 8 sat

noise.

4 was repaired 9 left

日 ow were these windows

5 are made 10 happened

broken?

6 were they built 11 heard

Were you invited to Jon's

7 Is the photocopier being used 12 put

party last week?

or Is anybody usi ng the 13 caught

21.2 photocopier 14 watched

2 Footbal l is played in most ... 890 15 understood
are they cal led

3 Why was the letter sent were stolen

to ... ? 1 24.2
456 was damaged ... hasn't been 2 began begun

... where fil ms are made. repaired

Where were you born? 3 ate eaten

4 drank drunk
日 ow many languages are UNIT 23

5 drove driven
spoken ... ?

78 23.1 6 spoke spoken

... but nothing was stolen.

3 are 7 do 7 wrote written

When was the bicycle

4 Does 8 Is 8 came come

invented?

5 Do 9 does 9 knew known

21.3 6 Is 10 Are

3456789 10 took taken

is made

23.2 11 went gone

were damaged
2 don't 12 gave given

was given
3 'm/am not 13 threw thrown

are shown
4 isn't 14 forgot forgotten

were i nvited
5 don't 24.3

was made
6 doesn't 3 slept

was stolen ... was found
7 'm/am not 4 saw

21.4 8 aren't / 're not 5 rained

2 Sarah was born in 2 1 3 6 lost ... seen

jd
D
Manchester. 23456 7890
were 7 stolen

3 日 er parents were born in

were 日as 8 went

I reland.

was did 9 fin ished

4 I was bo m i n ... 1
日as have 10 built

5 My mother was born in ...
did 11 learnt/learned

12 ridden

23.4

6789 13 known
2 was 've/have

345 14 fell ... h urt
日ave is

15 ran ... run
are was

were has

288