заполните пропуски. используя is are isn"t aren"t. 1 The Bolshoi Theatre____in Moscow. 2 The capital of Russia_____ St. Petersburg. 3 The Kremlin_____ in Red Square. 4 Pushkin and Pasternak_____ Russian writers. 5 The Neva and Lena ___ museums. 6 The Tretyakov Gallery and the Russian Museum____ theatres.