By the time some scientists ____ the lost towns, they ____ an awesome historical site. A．had found, ...
2022-12-20 19:01:30 210次 2014届河南省高二上学期期末考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
By the time some scientists ____ the lost towns, they
____ an awesome historical site.
A．had found,
had found B．found, found
C．found, had
found D．had found,
found
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