问题
选择题
Everything 
comes with ________ price; there is no such ________ thing as a free lunch in the world.[ ]
A. a; a
B. the; /
C. the; a
D. a; /
答案
答案：D
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Everything comes with ________ price; there is no such ________ thing as a free lunch in the world.[ ]
A. a; a
B. the; /
C. the; a
D. a; /
答案：D