第7道,顺便说一下、Fright frighten frightened frightening

第7道,顺便说一下、Fright frighten frightened frightening fright frighten frightening的区别 frightened frightening的区别? 区分frightening frightened frightening, frightened的区别 frightened和frightening fright 和 frighten的区别? frightened 和 frightening 的区别? frightened到底怎样区分于 frightening a frightened boy a frightening boy 用frightening和frightened造一个句子 第2题计算下面图形的周长.顺便把第4道给说一下