-do you know ___ PSY will sing the song Gangnam Style at the concert/

问题描述:

-do you know ___ PSY will sing the song Gangnam Style at the concert/
--I'm afraid not.
A.whether B.that C.why D.when

A. whether



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祝学习进步怎么翻译你是否知道PSY 会在演唱会上演唱江南style?
恐怕不会