he two boys were fighting each other,and it was very difficult for the old man to______ them.
问题描述：
he two boys were fighting each other,and it was very difficult for the old man to______ them.
A.separate B.divide C.keep D.prevent
我知道可以选A,但是为什么不能选D呢?
不好意思,开头掉了一个T
答
A