问题
选择题
14．This is our contribution to______world of the 21st century, world of independence and mutual understanding.
A．a; a
B．the; the
C．a; the
D．the; a
答案
答案：D
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14．This is our contribution to______world of the 21st century, world of independence and mutual understanding.
A．a; a
B．the; the
C．a; the
D．the; a
答案：D