单项选择题从事特种作业的人员,未取得特种作业操作资格证书而上岗作业,依《安全生产法》规定,应由行政执法机关责令限期改正,逾期未改正的,应( )。
单项选择题If everything in life _____ right, we _____ fight. A、had been; should never have to B、was; would never have to C、was; should never have had to D、were to; would never have had to