题目内容
21、He is _______ uncle of mine. He works at ________ university.
A. a, an B. an, an C. an; a D. an, ×
评卷人
得分
三、完型填空
(每空? 分,共? 分)
试题答案
21、C
He is _______ uncle of mine. He works at ________ university.