20．—Is that Dec. 21 is the end of the world true? —Definitely not butmust be paid t

问题补充：

20．—Is that Dec. 21, is the end of the world true?

—Definitely not, butmust be paid to the global climate change.

A. attention

B. care

C. contact

D. Influence

答案：

(答案→)A. attention

B. care

C. contact

D. Influence

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