问题
选择题
Aunt Mary is crazy about shopping. She must be snapping up the bargains in the department store during such a sale, ______?
A．mustn’t she?
B．isn’t she
C．needn’t she
D．doesn’t she
答案
答案：B
考查反义疑问句。句中含情态动词must的反义疑问句，对现在动作或存在的情况的推测，反义疑问部分用一般现在时，选B。