Question

I sent ______ e-mail to Amy to say thanks for her help with my study.

A．a

B．/

C．an

D．the

Answer 1

C

试题分析：e-mail 是以元音音素开头的单词，故前面不定冠词用an。句意为：我发了一封电子邮件给Amy，感谢她帮助我学习。故选C。