While building a tunnel through the mountains, ______.
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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
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I was very lucky the it didn’t take me long     the environment of the new city.
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A
to adjust me to
B
to adjust myself to
C
to adjust for
D
adjust on
Jack, who pretended       , heard, however, every word that was said.
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A
not listening
B
not to be listened
C
not to be listening
D
not having listened