问题描述：
在这个句子里为什么要加个for,这个词在这话中起什么作用?
today was january 23rd,For the pass two weeks,everyong in my family had been waiting anxiously to know my brother's result
today was january 23rd,For the pass two weeks,everyong in my family had been waiting anxiously to know my brother's result
问题解答：
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