Beforetheten-dayvacation,theytravel

发布时间：2020-07-10 17:16:23

Before the ten-day vacation, they traveled to France ________ their own expense.













A.on












B.at











C.with











D.in

网友回答

B解析导解：on one's own 表示“独自地，自愿地”，at one's own expense表示“自费”．
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