50.He was afraid ____ for being late.
问题描述：
50.He was afraid ____ for being late.
a.of seeing b.of being seen c.to be seen d.to have seen
答
这个问题是这样的,首先,be afraid of 是一个词组,必须要连用；其次,主语he怕的是“被”see,所以句子要用被动态,综上所述,就是b啦!