The ______ used ______ to produce arabbit from his hat.
__________ do you go swimming every week — Twice.
It’s said that he will __________his uncle’s business when he is mature enough to deal with the public relations.[ ]
Tony and Henry ________ middle school students.
With the touch of a button or the click of a mouse, a student will find ______ information from the largest libraries and museums in the world.