The development of industry has been ____ gradual process throughout ______human existence, from stone tools to modern technology.
#9061
A
/, the
B
the, a
C
a, /
D
a, a
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Everything comes with _____ price; there is no such ____ thing as a free lunch in the world.
#8625
A
a; a
B
the ; /
C
the ; a
D
a ; /
Athens，________known as the birthplace of the Olympics，________the capital of Greece.
#8639
A
is；is
B
不填；is
C
is；不填
D
不填；不填
I wonder what it feels like to be one of ______ really rich. The Brows already have Rolls Royce and now they are buying________ third.
#10107
A
the; the
B
不填; a
C
the; a
D
不填; the