问题
选择题
—What do you do _______ Mid-autumn Day?
—We usually eat a big dinner and moon cakes in the open air. [ ]
A. to
B. in
C. at
D. on
答案
答案：D
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—What do you do _______ Mid-autumn Day?
—We usually eat a big dinner and moon cakes in the open air. [ ]
A. to
B. in
C. at
D. on
答案：D