宝贝介绍：
美国幼儿英语Sight Words 高频词练习册180 Days of High-Frequency for Kindergarten (Level K)高清PDF百度网盘下载
高清扫描PDF, 220页，附带练习答案
180day这个系列GK级别总共四册
180 days of reading for kindergarten
180 days of writing for kindergarten
180 days of high-frequency words for kindergarten
180 days of language for kindergarten
