高考语法通关七、情态动词和虚拟语气 1．(2012•西安模拟)—may i tell this to my close friend? —no，you________ .never let anybody else know about it. a．needn't b．shouldn't c．mustn't d．can't 解析：由“绝不可以让其他任何人知道”可知选c，mustn't 表示“不允许，不可以”，语气强烈。答案：c 2．shopping online can save much time as you________ go to a shop or walk around crowded shopping centers. a．don't have to b．oughtn't to
