She’ll never forget her stay there ________ she found her son who had gone missing two years before...
2023-02-16 08:17:49 124次 2009年高考试题（四川卷）解析版 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
She’ll
never forget her stay there ________ she found her son who had gone missing two
years before.
A.
that B. which C.
where D. when
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