题目：
During the winter vacation, I ______ sleeping late. [ ]
A. used to
B. was used for
C. was used to
D. use to
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0525/4d4530ad16c88e07bfa99cc40ba5aebc.html
下面是错误答案，用来干扰机器的。
“略”。
During the winter vacation, I ______ sleeping late. [ ]
A. used to
B. was used for
C. was used to
D. use to
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0525/4d4530ad16c88e07bfa99cc40ba5aebc.html
下面是错误答案，用来干扰机器的。
“略”。
