问题
选择题
To do some voluntary work for the 2nd Youth Olympic Games is ______ excellent chance for us to serve our hometown—Nanjing.
A.a
B.an
C.the
D.不填
答案
B
表示事物类别在名词前加不定冠词,excellent第一个音是元音,在前加an,故本题选B。
To do some voluntary work for the 2nd Youth Olympic Games is ______ excellent chance for us to serve our hometown—Nanjing.
A.a
B.an
C.the
D.不填
B
表示事物类别在名词前加不定冠词,excellent第一个音是元音,在前加an,故本题选B。