---Your grandfather still seems very energetic, although he is already in his seventies now.---Yes, he _______in the army for three years when he was young.
The teacher had the students __________ all the words they didn’t know.
Did you notice the little boy __________ away?
His family, which _______ rather a large one, ______very fond of their old house.
The work should be given to ________ you think can finish it ahead of time.
The small mountain village we spent our holiday last month lies in is now part of Hubei.