题干

----I failed again. I wish I _________ harder.---But you _________.
A.had worked; hadn’tB.had worked; didn’t
C.worked; don’t D.worked; didn’t
上一题 下一题 0.64难度 单项选择 更新时间:2013-05-26 09:49:06

答案(点此获取答案解析)