问题
选择题
We are very proud that Langfang is one of _____ in China. [ ]
A. the liveliest city
B. the liveliest cities
C. liveliest city
D. liveliest cities
答案
答案：B
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We are very proud that Langfang is one of _____ in China. [ ]
A. the liveliest city
B. the liveliest cities
C. liveliest city
D. liveliest cities
答案：B