—Hello, I’d like to see Doctor Smith at 3 o’clock tomorrow afternoon. —Sorry, but he ________ a patient at that time.
The college student lost his life trying to save the drowning child, ________ he will always be remembered.
That man is the richest ________ pleasures are the cheapest.
The Charles Dickens Museum in Doughty Street is the only one of his London homes to survive, ________ he wrote Oliver Twist.
In South Africa, English is the language ________ black parents wish their children to be educated.
—Where did you have the discussion with Professor Snow? —It was in the classroom ________ we had a biology lesson yesterday.