---Howdidyoudoonthetest? ---Notsowell.I

问题详情：

 ---How did you do on the test?

 ---Not so well. I ______much better, but I misread the directions for Part One.

   A. could do        B. could have done            C. must have done         D. should do

【回答】

B

知识点：虚拟语气与情态动词

题型：选择题