急求人教版新目标九年级上册英语第四单元重点语法20个!
帮某人做某事 She helped me with English. 她帮助我学
英语。She helped me (to) study English。 她帮助我学习英语。34. fifteen-year-old 作形容词 15岁的 fifteen-year-olds 作名词指15岁的人 fifteen years old 指年龄 15岁 如:a fifteen-year-old boy 一个15岁的男孩Fifteen-year-olds like to sin...