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
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
D