______beforewedepartthedayafterto

发布时间：2020-07-25 22:29:34

______ before we depart the day after tomorrow, we should have a wonderful dinner party.A.Had they arrivedB.Would they arriveC.Were they arrivingD.Were they to arrive

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D解析考查虚拟的条件句的倒装。原句为if they were to arrive。
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