Chongqing is most beautiful mountain city and I’m sure to come for second time.A. the; a

问题补充：

Chongqing is most beautiful mountain city and I’m sure to come for second time.

A. the; a

B. a; a

C. the; the

D. a; the

答案：

A. the; a

(答案→)B. a; a

C. the; the

D. a; the

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