Joe has unusual girl who is studying in university in U.S.A. A. an; the B. a; a C. /; t

问题补充：

Joe has unusual girl, who is studying in university in U.S.A.

A. an; the B. a; a C. /; the D. an; a

答案：

解析：考查冠词。unusual 此单词首字母的发音是元音音素，故第一空用an，而university的首字母的发音是辅音，故用a。