问题
选择题
Be careful (小心) when you walk _________ the street. [ ]
A. through
B. across
C. at
D. over
答案
答案：B
搜题请搜索小程序“爱下问搜题”
Be careful (小心) when you walk _________ the street. [ ]
A. through
B. across
C. at
D. over
答案：B
