PART 1 基础篇 Chpater 1 用15个基础语法,重新打造英语实力 I am / I'm not I'm doing Are you / Are you V-ing? I work / I read I don't Do you...? I can I was / I wasn't I watched / I didn't I was doing I have done Have you ever ...? I have done / I did显示全部信息
目录
PART 1 基础篇 Chpater 1 用15个基础语法,重新打造英语实力 I am / I'm not I'm doing Are you / Are you V-ing? I work / I read I don't Do you...? I can I was / I wasn't I watched / I didn't I was doing I have done Have you ever ...? I have done / I did显示全部信息