used to do sth.
学习怎么用
权威例句
初中英语中used to do sth.句型的多样化综合拓展方式研究初中英语中used to do sth.的多样化讲解策略聚焦used to do sth.的用法used to do sth., be used to do sth., be used to doing sth.用法区别Chapter 11 – Is that something we used to do in the 1970s?: The demise of ‘good work’ in the Volvo Corporationbe used to与used to do区别Is that something we used to do in the 1970s?: The demise of ‘good work’ in the Volvo Corporation涉及used to的三类重要考点“used to"用法知多少?used to的“秘密档案”
