-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

分类: 作业答案 • 2022-02-24 13:36:38

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

答