I ________ a mystery movie on TV when the electricity ________ out. A. will be watching / is going B. watched / was going C. was watching / went D. have watching / goes36/100I ________ a mystery movie on TV when the electricity ________ out. will be watching / is goingwatched / was going was watching / wenthave watching / goesGiải thíchChọn đáp án C