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
问题描述：
高中英语语法题~
._____ a certain doubt among the young people as to the necessity of work.
A.It existed
B.There existed
C.They had
D.It had
答
b 这是there be 句型.
exist 是系动词.
翻译一下吧：关于工作的必要性,在年轻人中存在一个令人疑惑的问题.