翻译成英语，，由于热爱小说，他把精力都集中在阅读上

Because love novels, he concentrate on reading。

绝对准确。

he devotes himself into reading because he loves novels deeply

肯定对的

Because deeply loves the novel, he focuses the energy on reading

Out of the keen on novels,he concentrate himself on reading.

He spends all his time reading because of the love for the novel.