George returned after the war, only __________ that his wife had left him.
We decided to hold a party to________the victory.
The flowers his friend gave him will die unless ________ every day.
In many American universities,the total work for a degree ________ thirtysix courses,each ________ for one semester(学期).
Like some of my classmates,I cannot live up to my teachers’ expectations;________I let them down.
There was a ________ expression on his face.Maybe he had finished his work successfully.