通过努力,他们终于成功地完成了这项工程.After ___ hard,they ____ ____ _____ the project at last.
问题描述:
通过努力,他们终于成功地完成了这项工程.After ___ hard,they ____ ____ _____ the project at last.
答
After (working) hard,they (succeeded) (in) (completing)the project at last.