问题描述：
1.very hard part of the ground:r ___ 2.what you have after hard work,study,or exam:r___
3.come to an idea:d___
4.a place to sit on:s___
5.take up sth.and move it from one place to another:c___
(根据英文释义补全单词）
3.come to an idea:d___
4.a place to sit on:s___
5.take up sth.and move it from one place to another:c___
(根据英文释义补全单词）
问题解答：
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