—How ________ this question is! I’ve spent two hours on it.

—Let me help you!

—________ does your school organize an English Reading Festival?

—Once a term.

Learning is a life-long journey, for it brings us ________ new every day.

To achieve our dream, we ________ rest on what we have done.

—Why didn’t you open the door for me, Jim?

—I ________ clothes in the bathroom. I didn’t hear the knock.