Choose the correct answer

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Exercise 6
1. You were right when you suggested I
in this business deal. I did, I it worked.
A. follow
my intuition
B. followed
D. had followed
C. were to follow
2. I'll be home. by 7.00 PM on the eighteenth.
me, please pick up the mail.
A. Should arrive
C. You should arrive
3. Each of the Ice Ages.
long.
A. is
C. was
before
B. Should you arrive
D. You should haye arrived
more than a million years
B. are
D. were
the only representation of the
4. On the island
Indians' handicraft.
B. does it remain
A. remains
C. did it remain
D. remain it
5. The production of different kinds of artificial materials
essential to the conservation of our natural resources.
В. were
A. are
С. is
D. have been
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