He teaches in university and is expert on politcs.A. an, aB. the, aC. a. anD. a. the

发布时间:2020-08-17 15:03:34

He teaches in      university and is     expert on politcs.
A. an, a
B. the, a
C. a. an
D. a. the

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A. an, a
B. the, a
(答案→)C. a. an
D. a. the
解析:这二个空都是表示泛指,expert 第一字母发元音,但university不是,
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