We for her because she never came.A. mustn’t have waitedB. shouldn’t have waited C. mustn

问题补充：

We for her because she never came.

A. mustn’t have waited

B. shouldn’t have waited

C. mustn’t wait

D. needn’t wait

答案：

A. mustn’t have waited

(答案→)B. shouldn’t have waited

C. mustn’t wait

D. needn’t wait

解析： should not have done表示“过去不应该做而做了某事”，含有“后悔”、“责备”、“劝告”，“批评”之意。