Question

14. ―I failed again. I wish I     harder. ―But you     . 

A.    had worked; hadn't

B.    worked ； don't

C.    worked; didn't

D.    had worked; didn't

Answer 1

14.   D考查动词的时态。句意："我又没及格。我真希望我（过去）更用功些。""但是你没有。"wish后面的宾语从句用虚拟语气，第一空表示与过去事实相反的愿望，所以用过去完成时。第二空只是用来说明过去的客观事实，用一般过去时。故选D。