题目内容：
Mr． Smith used to smoke__________but he has given it up．
A.seriously
B.heavily
C.badly
D.hardly
参考答案：【答案仅供学习，请勿对照自行用药等】
答案解析：
选择题：Mr． Smith used to smoke__________but he has given it up．
- 题目分类：教师资格
- 题目类型：选择题
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