题目内容
During the ten—day vacation , they traveled to France ______their own expenses .
- A.on
- B.with
- C.at
- D.in
C
at one’s own expense是固定搭配,意思是:某人自己出钱(费用)。
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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