--- I saw the Smiths at West Beijing Station this afternoon.--- You __________. They are still on holiday in Hawaii.

– May I take the magazine out of the reading room?-- No, you can’t. You            read it here. It’s the rule.

Cheating is strictly forbidden in this important exam, and students ______ bring any reference books into their classrooms, cell phones included.

—Look! The man at the gate ______ be our headmaster. He is always standing there every morning.—No, it ______be him. He is holding a meeting in the office now.

According to common practice, the president _________ hold office for five years.