单选题
_____ before we depart the day after tomorrow, we should have a wonderful dinner party.无
A、
Had they arrived
B、
Would they arrive
C、
Were they arriving
D、
Were they to arrive
【正确答案】
D
【答案解析】
句意： 如果他们能在后天我们离开前到达， 我们会举行盛大的晚会。 were they to arrive相当于if they were to arrive， 是对将来情况的虚拟。
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