问题
选择题
He arrived on the day ______ there happened to be no plane tickets left for Shanghai.
[ ]
A. on which
B. for which
C. with which
D. by which
答案
答案：A
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He arrived on the day ______ there happened to be no plane tickets left for Shanghai.
[ ]
A. on which
B. for which
C. with which
D. by which
答案：A