问题
选择题
_____ the afternoon of April 30th, many foreign visitors arrived _____ Shanghai.[ ]
A. In; at
B. On; in
C. On; to
答案
答案：B
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_____ the afternoon of April 30th, many foreign visitors arrived _____ Shanghai.[ ]
A. In; at
B. On; in
C. On; to
答案：B