This is _____ ID card and that is _______  book. A. a, an              B. an; an

题型：不详难度：来源：

This is _____ ID card and that is _______  book.
A. a, an              B. an; an             C. an; a 

答案

C

解析

考查冠词的用法。ID card中的字母I发音是元音，故用不定冠词an，排除A；book的首字母发音是辅音，故用a，排除B。故选C。