高等继续教育 / 基础英语I
正确率：100%
题型描述: 单选题
I must ＿＿＿＿how to answer that question.
A.think on
B.think for
C.reflect on
D.reflect for
I must ＿＿＿＿how to answer that question.
A.think on
B.think for
C.reflect on
D.reflect for
参考答案：