问题
选择题
—Is it _______ English dictionary?
—Yes, and it is _______ useful one. [ ]
A. a; a
B. a; an
C. an; a
D. an; an
答案
答案：C
搜题请搜索小程序“爱下问搜题”
—Is it _______ English dictionary?
—Yes, and it is _______ useful one. [ ]
A. a; a
B. a; an
C. an; a
D. an; an
答案：C