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题目内容
（商丘师范学院-英语口语）
(单选题) We were all overjoyed at the news _____ the experiment turned out to be a success.(本题1.5分)
A、 which
B、 that
C、 when
D、 what
A、 which
B、 that
C、 when
D、 what
参考答案
