|
．
crossing
C
．
crossed
D
．
to cross
8
．
_______ , but the fire brigade came too.
A
．
If only the police arrived
B
．
Not only the police arrived
C
．
Only if the police arrived
D
．
Not only did the police arrive
9
．
Columbus Day _______ on the twelfth of October because on that day in 1492, Christopher Columbus first landed in America.
A
．
is celebrated
B
．
celebrates
C
．
celebrating
D
．
was celebrated
10
．
Every one of us has several habits, _______ most of them are unconscious and we perform them without any thought.
A
．
even if
B
．
even though
C
．
since
D
．
therefore
11
．
Only when the war was over in 1953 _______ to get back to work .
A
．
that was he able
B
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