单项选择题
Mary was（）to school when she saw the accident.
A. on her way
B. in her way
C. by her way
D. in a way
点击查看答案&解析
单项选择题
A. on her way
B. in her way
C. by her way
D. in a way
微信扫一扫,加关注免费搜题