No more having to buy expensive textbooks which you will only use for a year or two and then sell or _______ away. 

You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

— Which city has _________population, Beijing, Guiyang or Nanchang?

— Beijing, of course.

（）involves comparing actual or planned project practices to those of other projects to generate ideas for improvement and to provide a basis by which to measure performance. These other projects can be within the performing organization or outside of it, and can be within the same or in another application area.

— Which city has _________population, Beijing, Guiyang or Nanchang?

— Beijing, of course.