Question

I once watched ______ one-act play, which was played by ______ 11-year-old boy.

1. A.
   a, a
2. B.
   an, an
3. C.
   a, an
4. D.
   an, a

Answer 1

C
本题考查冠词。句中a one-act play泛指一场独幕剧；a 11-year-old boy泛指一个11岁的男孩。句意：我曾经看过一场独幕剧，是有一个11岁的男孩表演的。