Was it in 1969 ____ the American astronaut succeeded ____ landing on the moon? A. when; on B. that; ...
2022-11-01 19:30:51 16次 2014-2015学年陕西西安市高三下二模考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Was it in 1969 ____ the American astronaut succeeded ____ landing on the moon?
A. when; on B. that; on
C. that; in D. when; in
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