If only I__how to operate a computer as you do.

问题描述:

If only I__how to operate a computer as you do.
A.had known B.would know C.should know D.knew

D.(要是我能够像你一样知道如何操作电脑该多好啊)虚拟语气,if only常常用来表达强烈的愿望或遗憾,因此,主要用在虚拟语气中,用以表达强烈的愿望或非真实条件.常被译为“但愿”、“要是……该多好啊”等.几种时态的...