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Answer key: Units 12

3 Suggested answers Vocabulary and grammar review |
1 In general the question is well answered, though
the inclusion of unnecessary travel may be outside Unit 11
the direct control of the college authorities.
1 1 sign up 2 call … up 3 called off 4 drop out
Factual information is included, e.g. The college
5 put off 6 pay up
currently uses twice as much printing paper as
it did two years ago. This is despite the fact that 2 1 nothing to do with 2 out of touch 3 kept waiting
information is stored on computers. 4 sick and tired of 5 the whole point of 6 without a
2 Yes. The clear, simple headings help the trace 7 get your hands on
organisation.

3 1 at 2 at 3 in, at 4 on 5 at/in, on 6 on
4 1 the college
2 the fact that the college is using twice as much 4 1 not overslept, he would not / wouldn’t have
paper as it did before 2 had arrived/been on time for
3 printing documents 3 were better, she could have applied
4 lights and equipment 4 would be (most/very/extremely/sincerely) grateful
5 the fact that students are making unnecessary if you
journeys 5 had not / hadn’t been for Bruno’s advice
6 students 6 would not / wouldn’t be taking part in
7 the use of public transport or bicycles
Reference words like these are used to link
sentences to each other and to avoid repetition. Vocabulary and grammar review |

Unit 12
5 1 is stored, should be printed, should be required,
are not turned off, are left, should be reminded, 1 1 unfriendly 2 environmental 3 disabilities
are not needed, should be advised, should be used, 4 knowledge 5 appearance 6 creatively 7 clarify
were implemented www.english0905.com
8 movement
2 Suggested answer: The passive is commonly used
in formal contexts. It focuses on the action rather 2 1 with in 2 to on 3 in to 4 correct 5 for to 6 for
than the person who does the action – this makes on 7 to on 8 correct
the language impersonal, which is appropriate for
a text of this kind. 3 1 Ø 2 the 3 a 4 the 5 Ø 6 the 7 Ø 8 the 9 Ø
3 a, b, d, f 10 Ø 11 the 12 Ø 13 an 14 Ø 15 Ø 16 the
4 a People need to be encouraged to use the
recycling bins. 4 1 to 2 In 3 with 4 not 5 need 6 out 7 The
b If the air conditioning system was/were 8 rather
replaced, less electricity would be wasted.
c Cannot be changed. The verb has no direct object
which could become the subject of a passive verb.
d The roof should have been insulated when the
building was constructed.
e Cannot be changed. Neither verb has a direct
object.
f At present the problem is not being taken
seriously enough.
g Cannot be changed. There is no passive form for
the present perfect continuous.

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