问题
选择题
Several days has passed _______ the air crash (空难) happened. [ ]
A. since
B. after
C. as
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Several days has passed _______ the air crash (空难) happened. [ ]
A. since
B. after
C. as
答案：A