What a pity! If only they ______ here now we would be able to celebrate their wedding ann
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What a pity! If only they ______ here now, we would be able to celebrate their wedding anniversary.
A．are
B．were
C．have been
D．had been
请帮忙给出正确答案和分析，谢谢！
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正确答案：B
ifonly引导的从句要用虚拟语气，表示“要是……就好了”之意，表达一种不能实现或难以实现的愿望。表示与现在事实相反，ifonly从句谓语动词用过去时；表示与过去事实相反，ifonly从句谓语动词用过去完成时；表示与将来相反，用“would/could+动词原形”。本题是对现在事实的假设，故答案为B。