Question

I once watched _______ one-act play, which was played by ___

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。