Choose the correct answer

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- Every year.
is the festival celebrated?
B. How often
14. The death rate would decrease if hygienic conditions
В. is
15. On Christmas Eve, most big cities, especially London are
13.
1.
С. How
D. What
A. When
improved.
D. had been
A. was
C. were
with coloured lights
across the streets and enormous Christmas trees.
C. put
him, she would be very happy.
C. met
B. hang
A. decorated
16.If she
A. would meet
D. made
B. will meet
D. should meet
, she's kind - hearted.
17. Nga is a beautiful girl;
A. therefore
B. however
C. moreover
D. otherwise
18. If I had enough money, I
A. will go
abroad to improve my English.
B. would go
C. went
interesting book.
C. the
D. should have go to
19.She has read
А.a
В. an
D. Ø
20.If it
convenient, let's go out for a drink tonight.
A. be
В. is
C. was
D. were