问题
选择题
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
答案
答案：B
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。
搜题请搜索小程序“爱下问搜题”