问题补充：
Why do we have to Sue’s selfish behavior? We have to teach her to care for others.
A. keep up with
B. put up with
C. catch up with
D. come up with
答案：
A. keep up with
(答案→)B. put up with
C. catch up with
D. come up with
解析：本题考查动词短语辨析。get rid of “除掉”；put up with“忍受”，make up for“弥补”；split up “绝交，将其处分成若干部分”。句意：为什么我们非要忍受苏的自私行为？我们应该教导她关心别人。
