1/Put each verb in brackets into a suitable tense: Yesterday,my three brothers and I (1)............(start)painting the down-stairs rooms.Unfortunately while I (2)..............(mix)the paint,one of my sisters (3)..........(open)the door.Nobody (4).....(tell)her that we (5).........(be)in the room,you see.So instead of painting the walls,we (6)............(spend)all morning cleaning the paint off the floor.But worse things(7)............(happen)since then. các bạn ơi,lúc nãy mik gửi lộn,các bạn thông cảm giúp mik nha,thanks