-Tom, do you know David Smith?-Sure. He is my best friend and our __________ has lasted for years.

—Mrs. Wang was sent to teach English in a poor mountain village last year.—She said she would never forget some pleasant      while working there.

Hello, My name’s _________.

 This is Elizabeth Tina Brown, our new teacher. You may call her __________.

- Why didn’t Sally play the violin at the concert last night?- She said that her hand hurt,but that was only a(n) ____.I saw her play tennis just now.