Mr. Hall understands that math has always been easy for him, it is not easy for the stude

发布时间：2020-08-17 11:25:13

Mr. Hall understands that      math has always been easy for him, it is not easy for the students.
A. unless
B. since
C. although
D. when

网友回答

A. unless
B. since
(答案→)C. although
D. when
解析：句意：Mr. Hall懂得尽管数学对他来说向来容易，但对学生来说并不容易。
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