We Chinese are proud the great success the area of science and technology .
A. of ; in
B. by ; on
C. with ; on
D. for ; in
网友回答
(答案→)A. of ; in
B. by ; on
C. with ; on
D. for ; in
解析：这题考查介词的用法：第一空填of，词组“be proud of”以…为荣“，第二空填in，表示：在…领域，句意是：我们中国人以在科技领域取得的成功自豪。选A。