问题描述：
The fireman rushed to the fire____no thought___his own safety to save the old man
The fireman rushed to the fire__with__no thought__for_his own safety to save the old man
为什么是with 而不是without 后面为什么是for 而不是of呢 no though
The fireman rushed to the fire__with__no thought__for_his own safety to save the old man
为什么是with 而不是without 后面为什么是for 而不是of呢 no though
问题解答：
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