--I've got a ticket to the opening ceremony of the twenty-ninth Olympics.  I'm leaving for London in a few days.

     --What a lucky guy!          

       A. It's kind of you           B. Enjoy yourself           C. That's all right

 — I’m leaving for Shanghai to visit the Expo 2010 this weekend.

— _______

A. Well done!                   B. I hope so.                   C. Have a good trip!

—I’m leaving for Qingdao tomorrow.
—          

---Mum, I’m leaving for Beijing tomorrow morning.

--- Oh, good. But be sure to phone me _______ you get to Beijing, please.

--- I’m leaving for Canada on a study trip next week.

---- _____.

A. Enjoy your time　 B. That’s all right　　 C. You’re welcome　 D. It’s a pleasure