he failed several times的several times是什么成分

he failed several times的several times是什么成分 He has failed several times . He has failed several times ,but he won't _____. He is(confidence)__even though he has failed several times. ________ he failed several times, ________the young scientis several times的意思 several times several times是什么词呀 several times前的时态?比如He _____failed the test several times. [急]请问several times和for several times的区别 用or,and,but或while连接句子,并做出一些必要的改动.he has failed several times 2007年湖北高考完成句子the fact that he has failed for several times ,