they demanded that the books they borrowed last week------to the library at once.A.return B,should return C,be returned D.would be returned我认为是B.但是不对.大家给点看法
问题描述：
they demanded that the books they borrowed last week------to the library at once.
A.return B,should return C,be returned D.would be returned
我认为是B.但是不对.大家给点看法
答
答案是c么，因为主语是书，它和“还”存在一种被动的关系，在这里SHOULD可以省略。
答
(should) be returned
答
C,书应当是被还,要用被动语态