AfterGrandmalostthebook,bothsheandtheassistantwerewo...
问题详情： AfterGrandmalostthebook,bothsheandtheassistantwereworried.Onedaytheassistantthoughtofanidea.SheaskedGrandmatoputabookmarkineachoftheborrowedbookswiththewords,“Ifyoufindthisbook,pleasegi...