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It is the fourth time that she  ________you in a week.
A.ringsB.has rungC.has been ringingD.is ringing

试题分析:考查固定句式中的时态。固定句式:It is/was the+序数词+that 从句;句意:这是某人第几次做某事的时候了。如果前面是is,后面使用现在完成时;如果前面是was,后面使用过去完成时。本题前面是is,故使用现在完成时,B正确。句意:这是这个星期里他第四次打电话给你了。
点评:固定句式:It is/was the+序数词+that 从句;句意:这是某人第几次做某事的时候了。如果前面是is,后面使用现在完成时;如果前面是was,后面使用过去完成时。
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