They often go to the beaches vacation.A. atB. inC. forD. on

发布时间：2020-08-23 09:16:02

They often go to the beaches      vacation.
A. at
B. in
C. for
D. on

网友回答

A. at
B. in
C. for
(答案→)D. on
解析：句意：他们经常去海边度假。on vacation在度假时，固定短语,故选D
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