问题
选择题
We have sports ____________ four ____________ the afternoon.[ ]
A. at; at
B. on; in
C. at; in
D. on; at
答案
答案：C
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We have sports ____________ four ____________ the afternoon.[ ]
A. at; at
B. on; in
C. at; in
D. on; at
答案：C