下列句子中的汉语部分译成英语,注意使用适当的形式。
【小题1】You can ______________anything you need from the book. (查阅)
【小题2】It took Jim half an hour ______________the problem. (处理)
【小题3】Did you know the tea was invented ______________? (偶然)
【小题4】Zheng Chenggong in Chinese history is a famous ______________. (民族英雄)
【小题5】Mary is my best friend. We often help ______________with schoolwork. (相互)