Question

21. Linda is exchange student. She comes from European country.

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

Answer 1

21. C

21. C考查冠词。两空处均表泛指，exchange以元音音素开头，故第一空用an;EUropeali以辅音音素开头，故第二空用a。