用所给的词语组成句子(help)
问题描述：
用所给的词语组成句子(help)
he,teaching,by,last,in,for,college,October,years,had,the,thirty,been,year,
答
He had been teaching in the college for thirty years by October last year.
截止去年十月,他已经在这所大学教了三十年书.