16.. It’s very nice _______ you to pick me up at the railway station and drive me home.

   A. for             B.  to          C. of            D. with

17.. ---- Shall I have _______ pears, please£¿

  ---- Sorry, we don’t have ______ these days.

   A. some, some       B. any , any    C. any, some       D. some, any

18. ---- Excuse me, could you tell me how to use the camera?

  ---- I’m sorry, but you can go and ask Carl. He _____ know how to use it.

   A. can              B. need          C. must         D. may