问题
选择题
I the wonderful World Cup final of 2010 live on TV, but this summer vacation I missed it.
A．could have watched
B．might watch
C．must have watched
D．need have watched
答案
答案：A
考查虚拟语气。句意；我本可以看电视2010年精彩的世界杯直播的，但是今年暑假我错过了。could+have+done表示对过去事情的假设，意思是本来能够做某事而没有做。故选A。