MY CLASS CLEANED THE WINDOWS LAST WEEK. → THE WINDOWS ____...

586. - 600 CAU HOI TU LUAN VA TRAWSC NGHIEM TIENG ANH 10 600 CAU HOI TU LUAN VA TRAWSC NGHIEM TIENG ANH 10
600 CAU HOI TU LUAN VA TRAWSC NGHIEM TIENG ANH 10 600 CAU HOI TU LUAN VA TRAWSC NGHIEM TIENG ANH 10

586.

My class cleaned the windows last week.

→ The windows ____________________________________