20．We met and have become good friends since then.A. by mistakeB. by accidentC. by oursel

发布时间：2020-08-15 02:47:09


20．We met      and have bee good friends since then.
A. by mistake
B. by accident
C. by ourselves
D. by the way

网友回答

A. by mistake
(答案→)B. by accident
C. by ourselves
D. by the way
解析：考查短语辨析。by mistake 由于疏忽所犯得的错误，by accident 偶然的，by ourselves 靠我们自己，by the way 顺便说，句意：我们偶然遇见了从那时起我们成了好朋友。所以选B。
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