—What do you think of the conference?—As far as I am concerned that conference successful

问题补充：

—What do you think of the conference?

—As far as I am concerned, that conference successfully last night．

A. went in

B. went down

C. went off

D. went up

答案：

A. went in

B. went down

(答案→)C. went off

D. went up

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