作业帮_______ a certain doubt among to the students as to the necessity of the workA.there existed B.there had c.they had D.it existed麻烦问下 为什么D不行
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_______ a certain doubt among to the students as to the necessity of the workA.there existed B.there had c.they had D.it existed麻烦问下 为什么D不行
_______ a certain doubt among to the students as to the necessity of the work
A.there existed B.there had c.they had D.it existed
麻烦问下 为什么D不行
_______ a certain doubt among to the students as to the necessity of the workA.there existed B.there had c.they had D.it existed麻烦问下 为什么D不行
(There existed) a certain doubt among the students as to the necessity of the work.
There existed a certain doubt
和
There was a certain doubt
有相同意思.
It existed a certain doubt 语法不对.
There existed 是固定搭配.
另外句子多了一个单词：among 后面不可有 to .
_______ a certain doubt among to the students as to the necessity of the work
A.there existed B.there had c.they had D. it existed
正确答案：C
解析：A，B应为 there be 句型，显然错误，故排除
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_______ a certain doubt among to the students as to the necessity of the work
A.there existed B.there had c.they had D. it existed
正确答案：C
解析：A，B应为 there be 句型，显然错误，故排除
D it 指代问题（怀疑的对象）exist 为不及物动词， 应接地点，存在于哪里；exist后面不可以直接接名词
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这里考察的是 There be 句型。。。