问题描述: The workers were praised for▁▁(finish)the task ahead of time. 1个回答 分类:英语 2014-12-09 问题解答: 我来补答 答案:finishingfor 介词后跟动词ing形式不明白的再问哟,请及时采纳,多谢! 展开全文阅读