英语翻译did not need again to ask me 这个句子这样表达有没有问题?

英语翻译did not need again to ask me 这个句子这样表达有没有问题? they said they did not need any help.同义句 They did not need to arrive so early.中的arrive did not need to need not have 的区别吗它们有什么区别 希望能详细一点 英语翻译You have received this email because this email addresswas used during registration for our forums.If you did not register at our forums,please disregard thisemail.You do not need to unsubscribe or take any further actionActivation Instru 英语翻译下面是两段翻译 请高手翻译下Some years ago,industries had more freedom than they have now,and they did not need to be as careful as they must today.They did not need to worry a lot about the safety of the new products that the 英语翻译使用that引导的从句He did not konw （）that I did not （） ---You did not wait for Mr.Black last night,did you?---Yes,but we __ .he did not return home at allA.must not B.need not C.would not D.should not have Did not 消防英语翻译3) ExtinguishmentPersonal respiratory equipment must be worn. If there is a risk of burns Move container from fire area. Use appropriate extinguishing the fire will contain it. Do not breathe cumbustion.Escape to low-lying areas aga They said they did not need any help.(同义句转换 ）they said they ( )( ) help They must have gone there two days ago,did not they?We must go right now,need not we?二句都有must,为何反义疑问句的句末不一样呢?did not they?与need not we? 英语翻译就是下面这句话的意思.尤其是后半部 that was the way it had to be ...We both knew that some things did not really need explanation and that was the way it had to be. 英语翻译where did not hand in hand to break up 英语翻译i did not except such a full return. 英语翻译还是 “I did not know what you said” I need not to need 高手们帮忙解答一道有关need的专四英语选择题There being no cause for alarm,you ___in such a panic yesterday.A.need not have acted B.did not need to act C.did not need to have actednot need句型?