有没有,be scared of,

有没有,be scared of, Children are scared _tigers.A:at B:of希望能解释原因有没有be scared at这种形式呀！如果有的话那be scared at,be scared of的区别在哪！ be scared of 愈快愈好、be scared of doing sth与be scared to do sth有什么区别 有谁知道be scared of与be scared at的区别 be scared of 的同义词 be scared of/be afraid of/be frightened of 在用法、含义上有什么区别? 关于scare的用法问题be scared of doing和be scared to do有什么区别呢, be scared of可以用什么代替 be scared of doing sth be scared to do sth 例句be scared of doing sth be scared to do sth 例句 be scared of doing sth be scared to do sth 例句be scared of doing sth be scared to do sth 例句 be scared scared of be scared of doing和 be scared to do区别是什么? scared of和scared about 与be scared of等同的是?RT be scared+ by/of,还可以加什么介词 THERE IS NOTHING TO BE SCARED OF怎么样