21. —He was nearly killed in a car accident the other day.
—Oh, when was ________ exactly?
—It was on April 28 ________ he was riding a bike on the driveway.
A. this; that B. that; that C. that; when D. this; when
22. — ________ you write so well?
— By reading and keeping diaries every day.
A. How is it that B. Is it how that
C. How it is that D. What is it that
