WhenIgotintotheoffice,IfoundMr.Green　　　　inhiswork,witho...

问题详情：

When I got into the office, I found Mr. Green　　　　in his work, without noticing my arrival.

ed                     ing                   bury                    be buried

【回答】

A

知识点：非谓语动词

题型：选择题