(2013·江西六校二模)University is ________ most worthwhile time of discovery and learning, and it is also ________ very enjoyable and valuable experience for every one of us.
#11339
A
a; a
B
the; /
C
/; a
D
a; the
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Paper produced every year is       the world’s production of vehicles.
#14514
A
the three times
B
three times the weight of
C
as three times heavy as
D
three times as heavier as
We always keep ____ gas in case we run out.
#14319
A
a great number of
B
plenty of
C
much too
D
a good many