When we entered the room, the lights suddenly.
My mind wasn’t on what he was saying so I’m afraid I _______ half of it.
The first use of atomic weapons was in 1945.And their power _______ increased enormously ever since.
They _______ on the program for almost one week before I joined them,and now we _______ it as no good results have come out so far.
—Would you like another sandwich?—Another sandwich? I _______ my first one yet.
The crazy fans _______ patiently for two hours, and they would wait till the movie star arrived.