问题描述：
使用定语从句将所给的两个句子合并成一个句子
do you remember the day?on the day you joined the youth league.
there was a time .he was educated in the stanford university in the united state.
july 8th is an important date.I'll never forget it.
caring for the poor was the career.she devoted herself to the career.
do you remember the day?on the day you joined the youth league.
there was a time .he was educated in the stanford university in the united state.
july 8th is an important date.I'll never forget it.
caring for the poor was the career.she devoted herself to the career.
问题解答：
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