—I wonder _________ Mary has kept her figure after all these years. —By working out every day. A. wh...
2022-10-11 03:44:57 101次 2016届高考试卷分项版解析专题10英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
—I wonder _________ Mary has kept her figure after all these years.
—By working out every day.
A. where B. how
C. why D. If
本题链接：
