为什么No doubt he will be succeed.中doubt后不加that?

为什么No doubt he will be succeed.中doubt后不加that? There is no doubt that he will come. There’s no doubt,I think,________ he will enter the famous university.此处为什么 用that there is no doubt that引导的是什么从句?如there is no doubt that he will come. there is no doubt that he will come to help usthat 为什么不能用whether 或 if他是否会来帮助我们是毫无疑问的 it is no doubt () he will win the frist prize A.which B.whether C.that D.what 为什么选C 英语句子改错（一处）It is no doubt that he will come Do you doubt that he will win? do you doubt that he will win 为什么用that为什么不用 if 或whether some researchers believe that {there}is no doubt a cure for AIDS will be found.为什么要there,不是有that.that is no doubt. I had no doubt that he was my long-lost brother. I doubt if the trouth will come out 这两句中的从句 She made no doubt of what he had said为什么用made I have no doubt _____ he will turn up on time.A.whetherB.thatK.if D.what i _____ whether he will make good progress before long.A doubted B have no doubt C don't doubt D have a doubt 请问前面选择不可选择的原因是什么? There is no doubt that he will be monitor of our class.will be the monitor?是不是缺少the?还是不需要 there is no doubt ___john will come by busAifBwhyCthatDhow ___the concert will be a great successbeyond doubt no doubt thatwhy? 名词性从句i doubt whether he will come to see me .whether可否用that替代,为什么?