单项选择题
M: How long can I keep this book W: For two weeks.
A.In a bookstore. B.In a classroom. C.In a library.
A.A customer. B.An office worker. C.A hotel worker.
A.The one that you begin to sleep in. B.The one that you are in deep sleep. C.The one that you are in dreams. D.The one that you’re awake at once.