问题
选择题
________， the fire wasn't discovered after it had started.[ ]
A．Happily
B．Fortunately
C．Quickly
D．Unfortunately
答案
答案：D
搜题请搜索小程序“爱下问搜题”
________， the fire wasn't discovered after it had started.[ ]
A．Happily
B．Fortunately
C．Quickly
D．Unfortunately
答案：D