______（work）fortwodays,Stevemanagedtofinishhisreportons...

问题详情：

______ （work）for two days, Steve managed to finish his report on schedule.

【回答】

 Having worked 考查非谓语动词作状语。主句主语Steve和work是主动关系，而且工作持续时间是两天，所以选择现在分词的完成时形式

知识点：语法填空

题型：单词拼写