I have no idea whether the book is ________ great value to your English study.
A.of B.with C.in D.on
I have no idea whether the book is ________ great value to your English study.
A.of B.with C.in D.on
A [句意:我不知道这本书对你的英语学习是否很有价值。be of+抽象名词=be+相对应的形容词,因此选A。]