高等继续教育 / 大学英语I
正确率：100%
题型描述: 单选题
I’1l never forget the day _ _ _ _ _ _ _ _ I became a doctor.
A. of which
B. when
C. in that
D. which
I’1l never forget the day _ _ _ _ _ _ _ _ I became a doctor.
A. of which
B. when
C. in that
D. which
参考答案：