I don’t know ________. Could you help me?
Boys and girls, time is up, please check your name and ______ your papers.
The interest ______ into five parts according to the agreement made by both sides.
—How long can I ______ the book, Mr. Black? — Two weeks.
The more books you read the ______ you realize you know.
As a ______, he tries to give the firsthand information of the missing plane to the public as soon as possible.