The art centre is _____ used to be a factory, _____ millions of tractors were made.
How many nationalities ______ the country ______?
________ in 1936, Harvard is one of the most famous universities in the United States.
I can make you _____ what I say, but you can’t make yourself ___________ in English.
He found them __________ at a table___________.
Is this the recorder that you want ___________?