语法与词汇
_____before we leave the day after tomorrow, we should have a wonderful time together.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：如果他们将在我们后天离开之前到达， 我们应该一起玩儿一下。 由the day after tomorrow可知， 这是还未发生的事， 要用一般将来时的虚拟语气were to do sth. 。
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