The result was disappointing－we have won the game easily.
A. will
B. should
C. can
D. must
网友回答
A. will
(答案→)B. should
C. can
D. must
解析：句意：结果是令人失望的，我们本应该轻松的赢得比赛。这里用should have done表示虚拟语气“过去本应该做…”, will have done”将来已经做了，can have done过去可能做了，must have done过去一定做了…，所以选B。