never 近义词 词组

never 近义词 词组 有never to do这个词组吗, never say never近义词 有never until这个词组吗?如果有, He never does homework还是do homework.从不做...是never do sth固定词组吗 I will never ever do that again 这句句子中,为什么 never ever可以连用,是词组 never . Never have not been to与have never been to都是词组吗? never until,only before,ever since这些词组是什么意思,请翻译一下, 用benefit的词组填空.he never hesitated to do the work that was____ 词组