Two years had (gone by )(流逝) before we knew it.
我認(rèn)為has 應(yīng)該是had （ 即過(guò)去完成時(shí),動(dòng)作發(fā)生在KNEW 前）
加油!不明白再問(wèn)!
Two years has _____ _____(流逝) before we knew it.
Two years has _____ _____(流逝) before we knew it.
英語(yǔ)人氣：714 ℃時(shí)間：2020-04-24 01:55:54
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