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
网友回答
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。