问题
选择题
21 ------ He runs his own company at the age of 21.
------- ___________________
A．Good luck!
B．That’s quite something
C．Congratulations!
D．It’s hard to say.
答案
答案：B
考查交际用语：A. Good luck!祝好运，B. That’s quite something真了不起
C. Congratulations!祝贺D. It’s hard to say. 很难说，句意是：他在21岁就经营自己的公司。--真了不起。选B。