he never gave up struggling for that freedom.这句话为什么加that,

he never gave up struggling for that freedom.这句话为什么加that, （）the experiment that he gave up. he will never forget that.为什么不加s 帮忙翻译下这句话：The author says that the soldiers fight for freedom He was so hard working that in his life time请问这句话为什么加that? What is the reason that he gave for this?为什么是定语从句啊 He can get up for two hours each day.这句话为什么要加for .直接说He can 请问这句话为什么要加that the sufferer that yearn for freedom是什么意思 tomorrow,see to it that he comes这句话中为什么要加to? struggle for that freedom中的that怎么解释 The fact （that he didn't turn up ）shows that he was never re