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4.
Suggestion You
don’t have to
go out from the museum for lunch; you can
have it in the artificial forest.
Obligation
Students
have to
stay with their groups and teachers at all
times.
Prohibition
Teachers
mustn’t
leave children unattended.
Lesson 50
Review
2.
3.
a) False
b) True
c) True
d) True
e) False
4.
a) has
b) have
c) has
d) have
e) have
5.
1
.
3
.
a) It can poison them.
c) You can get lung cancer.
2
.
4
.
b) You can cut a finger.
b) A child can get an electric
shock.
If you visit a desert you have to be
careful
because it is a very dangerous
place. There are a lot of snakes,
spiders, ants and other poisonous
animals. You can reduce the dangers
by taking basic precautions. You must
to look out for snakes
. Don’t move
, it
one gets close to you. Be careful
of
poisonous insects like ants or spiders
because they bite.
184
179-180
179
179
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Page
179
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