问题
选择题
There is no perfect person, some people have made _____success of themselves in spite of what would appear to be ______ weakness in their professions.
A．/, a
B．a, /
C．a, a
D．/, /
答案
答案：C
考查冠词。success作为成功的人或事时，为可数名词；a weakness指他们专业方面的一个缺陷，故选C。