Expo 2010Shanghai China, a grand-scale global event, has ______ the significant theme“Better City, Better Life.”

__________ do I have tochange the robot’s batteries —Every two months.

It’s time to have class. Please stop_________. —– OK.

dn’tcare about what other people thought about me.— Well, you________.

_________ much I dislike the idea of begging in the street, we should still show consideration for those who are in difficult situations.