It's ______ to see the lighting flash .a.frightening b.frightened c.frighten d.fright
问题描述：
It's ______ to see the lighting flash .a.frightening b.frightened c.frighten d.fright
答
选A frightening,表示令人害怕的,吓人的
B选项frightened,表示人很害怕的
C选项是动词形式,吓唬,使害怕
D选项没有这种表达害怕的方法