If only I ______ how to operate a computer as you do.
A、
had known
B、
would know
C、
should know
D、
knew
【正确答案】
D
【答案解析】
本题测试虚拟语气。本题为表达与现在事实相反的愿望。本句大意为:要是我能像你那样会操作计算机就好了。
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