【IthappenedthatDavidwasinthecomputerroomatthattime.(保持原句意思）David______beinthecomputerroomatthattime】
2022-05-06 37次 反馈错误 加入收藏 正确率 : 100%
题目内容：
It happened that David was in the computer room at that time.(保持原句意思） David ___ ___be in the computer room at that time
优质解答
填上happened to 即可
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