高等继续教育 / 基础英语I
正确率：100%
题型描述: 单选题
Mary ＿＿＿＿ smoke heavily. but she has now stopped the habit.
A.is used to
B.was used to
C.uses to
D.used to
Mary ＿＿＿＿ smoke heavily. but she has now stopped the habit.
A.is used to
B.was used to
C.uses to
D.used to
参考答案：