WhenIgotintotheoffice,IfoundMr.Green　　　　inhiswork,witho...

問題詳情：

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

知識點：非謂語動詞

題型：選擇題