单选题
__________, we should be glad.
A、
They arrive tomorrow
B、
Were they arriving tomorrow
C、
They were to arrive tomorrow
D、
Were they to arrive tomorrow
【正确答案】
D
【答案解析】
本题考查虚拟语气用法。表示将来时的虚拟语气,从句助动词用were to/should。如果if省去,从句需用倒装。句意为:如果他们明天到了我们将很高兴。
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