Do you know Australia was, as a matter of fact,________ used to be a nation of prisoners?

There is ______ word in the dictionary.

The Great Wall is ________ place that millions of people pay a visit there every year.

 It ___ 6 years since we left middle school.

—Peter, let’s check what we still have left.—Well, _____ is no use evaluating the total loss before the typhoon leaves.