shoulder教学,shoulderknee

should的几种用法
body parts(hair feet face knees shoulders toes hands
[tuθ[tiθ]牙齿(ket词汇 neck[nek]脖子(ket词汇 shoulder'
情态动词should的用法
英语(苏教版)牛津小学英语五年级下册课件_unit6ppt neck shoulder