—Thank you for having bought me a ticket for the World Expo in Shanghai!—.A. Come onB. All

问题补充：

—Thank you for having bought me a ticket for the World Expo in Shanghai!

—.

A. Come on

B. All right

C. No problem

D. With pleasure

答案：

A. Come on

B. All right

(答案→)C. No problem

D. With pleasure

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