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<正> 下列各句有无逗号,直接影响着语法的选项不同,有的使句意产生很大差别。例如: 1.1) On Saturday afternoon,Mrs.Green went to themarket,__some bananas and visited her cousin. (MET91,29题) 2)On Saturday afternoon,Mrs.Green went to themarket__some bananas and visited her cousin. A.bought B.