At the age of eighty -seven,( )read his poetry at the inauguration of President John in 1961.

Inmostofhiswritings,()deliberatelybrokeupthechronologyofhisnarrativebyjuxtaposingthepastwiththepresent,inthewaythemontagedoesinamovie.

TheAdventuresofTomSawyerand,especially,itssequence()provedthemselvestobethemilestoneintheAmericanliterature.

( )is generally regarded as the forerunner of the 20th —century “stream— of —consciousness ” novels and the founder of psychological realism.

ThechildhoodofTomSawyerandHuckFinnintheMississippiisarecordofavanishedwayoflifeinthe()Mississippivalley