题目内容
His father is engineer. He designed such useful machine
A.a an | B.an a | C.an an | D.a a |
B
试题分析:句意:他爸爸是个工程师,他设计了很有用的机器。Engineer 读音以元音开头,用冠词an;useful读音以辅音开头,用冠词a;故选B。做这类题要看单词的读音是以元音还是辅音开头,不能看单词的拼写。
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