19. support (vt.) ----supporter (n.)

18. What good news / weather / information / work!

17. five kilometers (away) from the school ----- How far (away)…?

16. have … off 休息…(时间)

15. look like …. / be alike / look the same

14. at least / at most　　 the least interesting / the most interesting　　 less important / more important

13. a useful tool / a useless tool　　 a usual thing / an unusual thing

12. foreign language

11. give a talk/ speech on Chinese history

10. geography