汽车应急启动电源哪个牌子好:I haven't received the specification of this rayon yarn

I haven't bought any new___for years. I don't want to go and ________I haven't been invited I haven't decided which train I should take.(用动词不定式改写句子) 我没有去过某地,用英语说是I haven't gone to some place还是I haven't been to some place. i still haven`t found what i am looking for I haven't received the specification of this rayon yarn I haven't the slightest idea.我一点儿都不知道。 9.I haven't got a chair ___. Will you make room for me? I haven't ______you for a long time??怎么填？？ I haven't the ___ idea of what you mean.