问题
选择题
—Is this _____ book?
—Yes, it's _____ English book. [ ]
A. a; a
B. an; an
C. an, a
D. a; an
答案
答案：D
搜题请搜索小程序“爱下问搜题”
—Is this _____ book?
—Yes, it's _____ English book. [ ]
A. a; a
B. an; an
C. an, a
D. a; an
答案：D