—Mary was being badly treated when John happened to pass by and helped her out.—I think it was not a pure ________but had been well planned.
It is not rare in_________ that people in ________fifties are going to university for further education.
—Remember that where and when two different English question words___________. —I see, but can you tell us how to use them, sir?
—What do you think is the difference between _______man and _________woman?—I don’t think there’s any difference.
—I find it very difficult to read _________novel you lent me last week. —Yes. It’s necessary to have __________good knowledge of history.
—Where does your sister work, Jack? —She works in a ___________.