单选题The employee must have&nb

问题补充：

单选题Theemployeemusthavebeendismissedbytheemployerlastmonth,____he?A.haven B.hasn C.didn D.wasn

答案：

D解析该题考查反意疑问句的反问部分。陈述句的must have been dismissed表示对过去情况的推测，该句相当于I think the employee was dismissed by the employer last month，故其反问应为wasn he。