【单选题】对于WINDOWS,下面以( )为扩展名的文件是不能运行的.
【单选题】I regret _______ that I can’t accept your gift
【单选题】I regret _______ you all present that only one job will be offered in the department.
【单选题】—I regret to say that I failed to rank first in the terminal exam. —Come on,nobody ________ win all the time.