单项选择

• 1、

  The study also notes a steady decline in the numbe

• 2、

  I was shocked when I saw the size of the telephone

• 3、

  I admire his work.

• 4、

  National forests make money for the government thr

• 5、

  There are various ways to solve the problem.

• 6、

  Everybody was glad to see Mary back.（　）

• 7、

  A number of theories have been proposed to explain

• 8、

  The boy always looks through his homework before h

• 9、

  The Little Foxes, a drama by Lillian Hellman, was

• 10、

  In the latter case the outcome can be serious inde

• 11、

  We are disappointed to find out that he has made a

• 12、

  It hard for the young people to imagine what sever

• 13、

  We've been through some rough times together.

• 14、

  There are numerous manuals available with instruct

• 15、

  Eleven states, including the adjoining states of N