问题
选择题
— What's _____ population of the U. S. A. 9
— It has _____ population of about 300,000,000. [ ]
A. a; a
B. the; a
C. the; the
答案
答案：B
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— What's _____ population of the U. S. A. 9
— It has _____ population of about 300,000,000. [ ]
A. a; a
B. the; a
C. the; the
答案：B