Read Text D and finish the following exercises.1) __________ signaled the end of an era and the faint hope that one day the Beatles might get together again had gone forever.2) George Harrison, John Lennon, Paul McCartney, and Ringo Starr formed the Beatles in ________ in 1960. a. Hamburg b. New York c. Liverpool3) At first, the themes of the Beatles were precisely those that occupied and concerned their young audience; later, they reflected the climate of the 1960s and sang of social ________ and political ________.