I met a friend of mine I was walking in the park.A. beforeB. whenC. becauseD. until

发布时间：2020-08-23 11:22:28

I met a friend of mine      I was walking in the park.
A. before
B. when
C. because
D. until

网友回答

A. before
(答案→)B. when
C. because
D. until
解析：before在……之前；when当……时；because因为；until直到。句意：当我正在公园散步时，我遇到我的一个朋友。结合语境可知选B。
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