dearmr.×××,

　　,"americanliterature"tostudentsoftheenglishdepartmentonsaturday,××××.ifthissubjectdoesnotsuityou,anyothersimilartopicwouldbewelcomeaswell.

　　wehavealreadyhadseveralveryinterestingtalksfromdistinguishedvisiorsfromvariouscountriesthissemesterandwelookforwardeagerlytotheopportunitytobenefitfromyourexperienceandwisdom.

　　sincerelyyours,

　　×××