Hesitating what to do, .
With my hand-held Reader, I’ve read more books in the past six months than I ________ in the past six years.
Since then, more than 2 billion apps have been downloaded at prices ________ free to $900.
My arrival was timed perfectly; it was the second weekend of November, when the world largest wine auction ________.
When McKie brings friends or volunteers to the area where she works, most of ________ spend the first day sobbing.
_______ in the 1800s and first mass-produced in Germany, the harmonica(口琴) was designed to play simple folk tunes.