My brother is studying in university in America; he wants to be astronaut in the future.

发布时间：2020-08-21 18:48:55

My brother is studying in      university in America; he wants to be      astronaut in the future.
A. a; a
B. a; an
C. an; a
D. an; an

网友回答

A. a; a
(答案→)B. a; an
C. an; a
D. an; an
解析：此题考查冠词的基本用法，不定冠词有a和an两种：a用于辅音音素开头的词前，an用于元音音素开头的词前。
以上问题属网友观点，不代表本站立场，仅供参考！