The Metropolitan Opera is very much in twon showing local audiences its grander side at the Kennedy Center's Opera House. From this Friday night through April 30, the Met is giving 10 performances of seven different operas. Both performances of La Boheme as well as the April 30 performance of La Forza del Destino are sold out, but there are a few tickets left for each performance of the other operas. LA BOHEME -- Puccini. Conducted by Met director James Levine, staged by Franco Zeffirelli and starring Teresa Zylis-Gara as Mimi, Patricia Craig as Musetta, Guiliano Cianelli as Rodolfo and Richard Stilwell as Marcello. This Friday at 8, repeated Monday at 8 with Myra Merritt singing Musetta. LUCIA DI LAMMERMOOR -- Donizetti. Conducted by Michelangelo Veltri and starring Ashley Putnam as Lucia and Neil Shicoff as Edgardo. This Saturday at 2, repeated Wednesday at 8. MACBETH -- Verdi. Staged by Peter Hall and John Bury, who did the same for "Amadeus," an conducted by Levine, with the title role sung by Sherrill Milnes, with Renata Scotto as Lady Macbeth. This Saturday at 8, repeated Tuesday at 8. BORIS GUDUNOV -- Mussorgsky. Conducted by James Conlon, the production restores the composer's original score instead of using Rimsky-Korsakov's orchestration, and stars Aage Haugland in the title role, with Morley Meredith and Paul Plishka, among others. Thursday at 7. DER ROSENKAVALIER -- Richard Strauss. Conducted by Levine, with Frederica von Stade as Octavian, Elisabeth Soederstroem as Marschallin and featuring Kathleen Battle and Morley Meredith. Next Friday, April 29, at 8. ADRIANA LECOUVREUR -- Francesco Cilea. Conducted by Veltri, with Teresa Zylis-Gara in the title role and featuring Gwynn Cornell, Neil Shicoff and Sesto Bruscantini. Next Saturday, April 30, at 2. LA FORZA DEL DESTINO -- Verdi. Conducted by Levine with Sherrill Milnes as Don Carlo and Leona Mitchell as Leonora. Next Saturday, April 30, at 8.