Question

______ he had worked hard all the time, he failed the exam agai

______ he had worked hard all the time, he failed the exam again. A．If B．As C．While D．Because

Answer 1

C

连词辨析。While有一特特殊用法，=though。结合句意可知C正确。句意：尽管他一直很努力，但是他又一次考试不及格。