21. It is years of hard work ______ has made him a successful businessman, ______ his relatives are proud of.
[2011赣州高二检测]
A. that; what
B. when; which
C. which; that
D. that; who
22. —I’m not good at singing, you know.
—______! It’s just for fun.
[2011杭州高二检测]
A. No problem B. Come on
C. What a pity D. Cheer up