— Hi, Jack, would you like to join us in the sightseeing this weekend? —Thank you, but I regret ______ you that I can’t, for I’m going to visit my grandparents.
______ Chinese international medical relief team was sent to the 7.0-magnitude quake-hit areas in ______Southwest China's Sichuan province the moment it happened.
----Do you think I should get a good guidebook when I am travelling in Beijing?
----Yes, of course. _____, you also need a good camera and comfortable shoes.