问题补充：
―What do you want to be in the future, John?
― I want to be fashion designer. It is interesting job.
A. a; the
B. an; a
C. a; an
D. an; the
答案：
A. a; the
B. an; a
(答案→)C. a; an
D. an; the
解析：句意：约翰，你将来想做什么职业？我想做一名时尚设计师。这是一个非常有趣的工作。一名时尚设计师用 a fashion designer来表达，interesting为元音音素开头，故用an
