问题
选择题
| I can never forget the day ______ we worked together and the day ______ we spent together. |
A. when; which B. which; when C. what; that D. on which; when |
答案
答案：A
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| I can never forget the day ______ we worked together and the day ______ we spent together. |
A. when; which B. which; when C. what; that D. on which; when |
答案：A