21. —Putting on a happy face not only helps us make friends but also makes us feel better.
— __________.
A. I’d love to B. I’m with you on that C. It’s up to you D. It’s my pleasure
22. Money________ happiness; you need a certain amount (数量) to live comfortably, but more
money does not necessarily buy more happiness.
A. plays a part in B. takes part in C. makes a fool of D. adds up to
