I paid him £50 for the painting, but its true ______ must be at least £500.
We agreed to accept ________ they thought was the best professor in the college.
I don’t know who invented ________ telephone. It’s really ________ most useful invention.
I know a little bit about the city as I __________ there for one year in my youth.
Could you show me the TV set you’d like ________?
Now an increasing number of middle school students go abroad for further study at their own ________, trying hard to realize their dreams.