问题
选择题
____ usually convenient to take the underground train to most places. [ ]
A. You are
B. It is
C. He is
D. She is
答案
答案：B
搜题请搜索小程序“爱下问搜题”
____ usually convenient to take the underground train to most places. [ ]
A. You are
B. It is
C. He is
D. She is
答案：B
