Question

—I failed again. I wish I _________ harder.
—But you _________

1. A.
   had worked; hadn’t
2. B.
   worked; don’t
3. C.
   had worked; didn’t
4. D.
   worked; didn’t

Answer 1

C
第一空表达与过去事实相反的愿望,所以用过去完成时态表虚拟语气。第二空说明过去的事实,用一般过去时态。