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一道填空题Last week,he________on it for a long time until it looked like new.(work)
Last week,he________on it for a long time until it looked like new.(work)
人气:188 ℃ 时间:2020-03-29 09:35:31
解答
Last week,he has been working on it for a long time until it looked like new.(work)
因为是过去一段时间一直在做一件事,所以用完成进行时最恰当,表示过去一个时间段一直在做一件事情且和现在有关系,就是上周他一直在做这个做了很长时间,直到它看起来像新的一样
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