1.The wind __blew__(blow)hard yesterday.It had_blown___(blow) off my hat.
2.One day I _happened___(happen)to be alone at home.He _came___(come) and we _had___(have) a chat.过去时,one day 有一天
1.The wind __blew__(blow)hard yesterday.It had_blown___(blow) off my hat.
2.One day I _happened___(happen)to be alone at home.He _came___(come) and we _had___(have) a chat.过去时,one day 有一天