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—WhatdoyoudoMid-autumnDay?—Weusuallyeatabigdinnerandmooncakesintheopenair.[]A.toB.inC.atD.on

题目详情
—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
▼优质解答
答案和解析
D