[ ] you study harder,you will never pass the final exam a if b un_其他解答

[ ] you study harder,you will never pass the final exam a if b until c unless d except

人气：389 ℃　时间：2019-10-20 00:08:23

解答

C
unless 除非,
除非你学习更加努力,否则你将通不过期末考试