I saw them [] the windows when I went to look for jim.A cleaning _英语解答

I saw them [] the windows when I went to look for jim.A cleaning B cleaned C clean D to clean

人气：454 ℃　时间：2019-12-07 09:22:24

解答

cleaning
表示我看到他们正在擦窗户没看到后面的went吗看到了哇就是当我去找jim的时候我看到他们在擦窗户