_a certain doubt among the students as to the necessity of the work.为什么用there excisted 而不用it

_a certain doubt among the students as to the necessity of the work.为什么用there excisted 而不用it no doubt this is true to a certain extent求翻译. certain certain certain ( )about the best way to learn English,A there are a certain doubtB There existed a certain doubt C It existed a certain doubt D There had a certain doubt给出的答案是B.请问能不能选择A答案?为什么? 求详解.＿remains a certain doubt among the ..._ remains a certain doubt among the employees as to the possibility of a pay raise.A.it B.there There remains a certain doubt among the people as to the practical value of the project.的意思 There remains a certain doubt among the people as to the practicalvalue of the project．划分句子成分 谁会翻译这句：There existed a certain doubt among the students as to the necessity of work. te amo Amo是什么意思? 素颜 Amo Te Amo,Te Amo 歌词 Ti Amo (Ti Amo) 歌词 高中英语语法题~._____ a certain doubt among the young people as to the necessity of work.A.It existedB.There existedC.They hadD.It had 求英语大神分析一下这个句子的成分!There existed certain doubt among the students as to the necessity of the work. _There remains_ a certain doubt among the people as to the practical value of theproject .为什么用there remains而不用it remains?