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

表示事物类别前用不定冠词，元音音素前用不定冠词an，exciting第一个音为元音，辅音音素前用a，pilot第一个音为辅音，故本题选B。