问题
选择题
| 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 |
答案
答案：D
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| 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 |
答案：D