During the ten—day vacation , they traveled to France their own expenses . AonBwithC

发布时间：2020-08-17 13:19:41

During the ten—day vacation , they traveled to France     their own expenses .
Aon
Bwith
C. at
Din

网友回答

A. on
B. with
(答案→)C. at
D. in
解析：at one’s own expense是固定搭配，意思是：某人自己出钱（费用）。
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