Dalian is most beautiful coast city and many visitors say they will come for second time.

问题补充：

Dalian is most beautiful coast city and many visitors say they will come for second time.

A. the, an

B. a, a

C. the, the

D. a, the

答案：

A. the, an

(答案→)B. a, a

C. the, the

D. a, the

解析：冠词考查题。第一空most前用不定冠词意思是“非常”；第二空在序数词前用不定冠词表示“又一，再一”句意：大连是一座非常美丽的海滨城市许多游客说他们会再次参观它。