While cleaning a long-deserted house the other day I came ______ an old photo of my grandpa.
While cleaning a long-deserted house the other day I came ______ an old photo of my grandpa.
A、to
B、by
C、across
D、with
【正确答案】:C
【题目解析】:come across 偶遇,无意中发现句意:前几天我在打扫一所废弃已久的房子时,偶然发现了一张我爷爷的老照片。
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