Graduation is a good time to thank those who have helped you the tough years.A. throughB.

发布时间：2020-08-16 18:04:20

Graduation is a good time to thank those who have helped you      the tough years.
A. through
B. up
C. with
D. from

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(答案→)A. through
B. up
C. with
D. from
解析：介词辨析. A.度过，通过,强调从内部通过   B. 在……上，向上；     C.带有，用某种工具  D. 从；来自。句意：毕业时刻是一个感谢那些曾经帮助你度过艰难岁月的人的好时刻。故选A。
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