题目内容
20.We met _____ and have become good friends since then.
| A.by mistake | B.by accident | C.by ourselves | D.by the way |
B
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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