问题
选择题
the old man in this factory when he was young ? [ ]
A. Did, used to work
B. Does. Used to working
C. Did, use to work
D. Do, used to work
答案
答案：C
搜题请搜索小程序“爱下问搜题”
the old man in this factory when he was young ? [ ]
A. Did, used to work
B. Does. Used to working
C. Did, use to work
D. Do, used to work
答案：C
