What did you use to do?I used to _____a teacher in a middle school,but now I'm working in a com-p
问题描述:
What did you use to do?I used to _____a teacher in a middle school,but now I'm working in a com-p
ny.A be B being C been D am
答
A be
used to do sth:过去常做某事
be used to doing sth;习惯于做某事
He used to live in that village 他过去住在那个村里.
He is used to living there. 他在那里住习惯了.