--Do you know man in blue?Yes, he’s a professor of university.A. the, aB. a, anC. the,

--Do you know man in blue?
--Yes, he’s a professor of university.
A. the, a
B. a, an
C. the, an
D. / , the

(答案→)A. the, aB. a, anC. the, anD. / , the解析：考查点：冠词的用法。定冠词the表示特指，此处特指穿蓝衣服的那个人；第一次提到某物要用a/an, university是辅音音素开头的，故“一个大学”要说a university，an要放在以元音音素开头的单词前。故选A。

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