问题描述：
Do you have any books ______ in your bag ______ American history?
A．valuable; related to B．available; relating to
C．valuable; relating to D．available; related to
选D,可是为什么不选A
A．valuable; related to B．available; relating to
C．valuable; relating to D．available; related to
选D,可是为什么不选A
问题解答：
我来补答展开全文阅读