题目

Not only Jim but also his sister_____a few cities in the south since they came to China.( ) A.have visited                                              B.has visited    C.visited                                                      D.visits 答案:B 【分析】自从来到中国以来,不仅吉姆而且他的妹妹也游览了南方的几个城市. 【解答】根据时间状语since they came to China可知,空处谓语动词需用现在完成时态:has/have done,表示过去发生的动作一直持续到现在,有可能会继续下去;not only…but also连接两个并列的主语时,谓语动词的形式取决于最近 常用的时间单位,按从大到小的顺序排列是:___、___、___、___、___、___  .
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