Question

— What do you want to be in the future, Nick?
— I want to be ________ pilot. It is ________exciting job.
A. a; a       B. a; an            C. the; an      D, a; the

Answer 1

B

不定冠词有a和an两种：a用于辅音音素开头的词前，an用于元音音素开头的词前。