A．on call B．on guardC． on line D．on patrolThe nursing s……

单项选择题_________ her pen in ink, when she heard the tramping of little feet along the hall, and then a pounding at her door.

单项选择题Time and money pressures often push you into at least a few _________ decisions that you are not happy with later.

单项选择题If you wanted to try and work to improve your state of mind, I _________ you, but I'm not going to get involved in your dealings with your creditors or your criminal friends.

单项选择题New peace proposals _________ at the recent Middle East conference.

单项选择题One of the worst things that can happen when you are in the _________ for composing is a total lack of ideas.

单项选择题Sumac, Inc. submitted their bid after the deadline; _________, they were not eligible for consideration.

单项选择题And, _________, if you're going to be gone for a while, say on vacation, Dr. Michael Fox suggests you keep in touch with him by email.