Complex sentence: Fredo makes a final appearance in the movie's penultimate scenea flashback to December 1941it emerges that Fredo was the only member of the family who supported Michael's decision to drop out of college and join the Marines after the Japanese attack on Pearl Harbor.
Split into simpler sentences: Fredo makes a final appearance in the movie's penultimate scene, a flashback to December 1941. It emerges that Fredo was the only member of the family who supported Michael's decision to drop out of college and join the Marines after the Japanese attack on Pearl Harbor.