He was ______ medical student before he turned _______ engineer.A.a; anB.the; th
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He was ______ medical student before he turned _______ engineer.A.a; an | B.the; the | C.a; / | D./; an |
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答案
C |
解析
第一空表示一的概念,后一空前用了连系动词turn,所以名词前不用冠词。 |
举一反三
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