do you want an umbrella to keep off the rain?这里的keep off 用prevent from 为什么错

题目

do you want an umbrella to keep off the rain?这里的keep off 用prevent from 为什么错
do you want an umbrella to prevent from the rain?

答案

多了from.看大家都这么多,我也加点.prevent sth. from happening才完整.没sth,就没from.搭配问题