一、单项选择（共15小题；每小题1分，计15分）
在下列各题A、B、C、D四个选项中选择一个能填入题干空白处的最佳答案。
( ) 1. What_________ exciting news report! The thief will be in_________ prison for 2 years.
A. an; a B. /; / C. an; / D. /; the
( ) 2. The number of the volunteers in our city 2,000 .
And sixty percent of them teachers and students .
A. is ; is B. is ; are C. are ; is D. are ; are
( ) 3. Being _______, the novel based upon real-life events sells ________.
A. very worth being read; good B. well worth reading; good
C. well worth reading; well D. very worth reading; well
( ) 4. _____ regular exercise is very important, it’s never a good idea to exercise too close to
