A-A+
______ a certain doubt among the students as t
问题详情
______ a certain doubt among the students as to the necessity of the word.
A．It existed
B．There existed
C．They had
D．There had
参考答案
正确答案：B
解析：句意：对于这个单词的必要性，学生们存在着相当的疑惑。本题考查There be句型。There be句型中的be还可以用live，lie，exist，stand等不及物动词来替代，但依然表示“存在”的意义。
