. _________ it was to become was a mystery until the dust began to slowly combine into a ball moving...
2023-01-05 01:24:02 205次 福建省2009-2010学年度高一第二学期期中考试英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
.
_________ it was to become was a mystery
until the dust began to slowly combine into a ball moving around the sun.
|
A．That
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B．What
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C．Which
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D．Whether
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本题链接：
