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
参考答案：
答案解析：
选择题：She'll never forget her stay there __________she found her son who had gone miss
- 题目分类：教师招聘
- 题目类型：选择题
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