Ernest visited the South Pole because he wanted to see one of the regions in the world.A.

问题补充：

Ernest visited the South Pole because he wanted to see one of the regions in the world.

A. colder

B. coldest

C. more coldly

D. most coldly

答案：

A. colder

(答案→)B. coldest

C. more coldly

D. most coldly

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