Question

This is _____ book. And it is ____ English book.

A．a, a

B．an, an

C．a, an

D．an, a

Answer 1

C

试题分析：a 用在辅音音素前面；an用在元音因素前面. 句意:这是一本书。它是一本英语书。结合语境可知选C。