单项选择题
A．Students with a library card can check any book out. B．Reference books are not allowed to be checked out. C．Only students with a library card can check out reference books. D．The number of books a student can check out is unlimited.
A．She talked with the consultant about the new program until two. B．She couldn’t talk to the consultant before two. C．She would talk to the consultant during lunch. D．She couldn’t contract the consultant’s secretary.
A．The man should stay up and watch the program. B．The man should read something exciting instead. C．The man should go to bed at eleven. D．The man should give up watching the movie.