take this dicitionary with you,it will be of great___________you

问题描述:

take this dicitionary with you,it will be of great___________you
A.use B.uses c.uesful D.using

take this dicitionary with you,it will be of great___use________(to)you
对你有极大帮助那为什么用use呢?be of great 后面加什么.有明确规定吗?谢谢极大的帮助be of great use =be very usefuluse 在这是名词