小学英语

填空题Directions:In this part you will have to finish the sentences according to the information given in Chinese(One wordfor each blank).
The professor has worked hard with the project for several years,SO he succeeds now.(按原句意思改写句子)_______several years_______hard work,the professor_______now.

参考答案:暂无进入在线模考
Having spent on succeeds