Выберите правильное слово или фразу 1.Tower Bridge (was/were) Completed in 1894 2.Batteries (was/were) invented in 1800 by Alessandro Volta 3.In what year was (discovered Pompeii/Pompeii discovered?) 4.The Eiffel Tower (is/are) visited by many people each cold 5.Refrigerators (are/aren't) used to keep food cold 6.(Is/are) the digital camera often used in photography?