It’s a good song, _____ the lyrics（歌词）are not good enough.

  A. which                   B. so              C. and                 D. though

 —Do you know him?

—I’m sure I’ve seen him _____, but I can’t remember the right place.

  A. anywhere              B. nowhere     C. somewhere    D. everywhere

 What can we students do _____ the environment?

  A. protecting      B. protected           C. to protect          D. protects

—How long have you lived in this town?

—_____ 2001.

A. To 　 　　　 B. In　　　　　　 　　 C. Since　　　　 　　 D. Until

 There are five people in the room, but I know _____.

  A. both of them  B. all of them  C. none of them  D. neither of them

 Don’t give up ,_____ you will never succeed.

  A. and                      B. but                           C. or              D. while

 Trees can stop the sand _____ towards the rich farmland in the south.

  A. moving                 B. from moving             C. to move     D. moves

 In our school library there ______ a number of books on science and the number of them ______ growing larger and larger.

   A. is; are            B. are; is         C. have; are                  D. has; is

 In China, about ______ of people live and work in cities now.

  A. three fifths            B. third fifth           C. third fifths  D. three fifth

 I didn’t know what __________ to her last night.

  A. was happened              B. happening   C. was happen       D. happened