_a certain doubt among the students as to the necessity of the work． A．There existed B．It _a certain doubt among the students as to the necessity of the workA．There existed B．It existed C．They had D．There had

来源：学生作业帮助网编辑：作业帮时间：2024/05/11 01:33:03

_______a certain doubt among the students as to the necessity of the work． A．There existed B．It _______a certain doubt among the students as to the necessity of the workA．There existed B．It existed C．They had D．There had
_______a certain doubt among the students as to the necessity of the work． A．There existed B．It
_______a certain doubt among the students as to the necessity of the workA．There existed B．It existed C．They had D．There had

_______a certain doubt among the students as to the necessity of the work． A．There existed B．It _______a certain doubt among the students as to the necessity of the workA．There existed B．It existed C．They had D．There had
应该选A.
选B的话句子就不完整了.
选C的话they had 和among the students 矛盾.
AD相比,A才是正确的there be 句式.

选A
关于工作的必要性，学生之间存在某些怀疑
There existed 相当于there be 句型

certain certain certain Wate-dou-you-dou?. _______a certain doubt among the students as to the necessity of the work． A．There existed B．It _______a certain doubt among the students as to the necessity of the workA．There existed B．It existed C．They had D．There had mi dou dou是什么意思 juit dou 日本 POU DOU DOU 怎么样高一英语选择求教_______a certain doubt among the people as to the practical value of the project.A it has B they have Cit remains Dthere ramains为什么不是C呢 _______a certain doubt among the students as to the necessity of the work．A．There existed B．It existed C．They had D．There had 句dou的dou怎么写? dou积木的dou怎么写 _______a certain doubt among the people as to the practical value of the project.___D___a certain doubt among the people as to the practical value of the project.A.It has B.They have C.It remains D.There remains这个句子看不明白 [people as to 都（dou）组词 dou印dou疤去除法dou印和dou疤咋个去?有成功经验的来. hao dou you do?‘‘‘‘ hao dou you