问题
选择题
The little boy wrote _______ "U" and ________ "N" on the wall.[ ]
A. a; an
B. an; a
C. a; a
答案
答案：A
搜题请搜索小程序“爱下问搜题”
The little boy wrote _______ "U" and ________ "N" on the wall.[ ]
A. a; an
B. an; a
C. a; a
答案：A
达出世博会“理解、沟通、欢聚、合作”的理念。