Listening to loud music at rock concerts ______caused hearing loss in some teenagers.
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A
is
B
are
C
has
D
have
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The factory used 65 percent of the raw materials, the rest of which _____ saved for other purposes.
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A
is
B
are
C
was
D
were
. Early to bed and early to rise _____ a man healthy , wealthy and wise .
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A
make
B
makes
C
have made
D
will make
“39 Steps”is one of the most exciting films_________ directed by my brother.
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A
which were
B
which was
C
that was
D
that were
While building a tunnel through the mountain, _______.
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A
an underground lake was discovered
B
there was an underground lake discovered
C
a lake was discovered underground
D
the workers discovered an underground lake
No one in the department but Tom and I ______ that the director is going to resign.
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A
knows
B
know
C
have known
D
am to know