Since people are fond of humor，it is as welcome in conversation as ________ else.

— Excuse me. I want to buy some stamps, but I can’t find a post office. — I know ______ nearby. Come on, I’ll show you. 

Try hard to make what the teachers teach______,and you’ll all make good progress in your studies.

______ is important to know how to get on with others when you grow up.

_______that the ticket sales showed that the Shanghai Expo was one of the best ever held.