several times用什么替换比较好several times用a number of times 替换好还是用 three times 替换好

several times用什么替换比较好several times用a number of times 替换好还是用 three times 替换好 several times 用only a few times 替换可以吗/ several times前用什么时态 several times he什么(be)to　shanghai　several　times some times和several times有什么区别啊? I have seen her several times.和I saw her several times.什么区别 several times 译中 he failed several times的several times是什么成分 可以说some times 为什么新概念上说没有这个用法 应该用several times 而不能用some times? He has failed several times . 怎样就several times提问 several times是什么词呀 用什么诗句替换 He____(repeat)several times that he was busy.什么形式的?怎么填? tom has been to shanghai several times 否定句一般疑问句对划线部分提问 划线部分是 several times 用how ofter提问 respectively可以用什么替换? 用所给动词的适当形式填空 1.She_____to the Great wall several times.(go)