Выберите правильный вариант используемого сказуемого (Simple Tenses, Continuous Tenses): Peter (to try) __________ to change a light bulb when he (to slip) ____________ and (to fall) _________ . 1)tried, slipped, fell 2)was trying, was slipping, was falling 3)was trying, slipped, fell
3)was trying, slipped, fell