1.Terrorists destroyed the World Trade Centre in New York.（改为被动语态）
问题描述：
1.Terrorists destroyed the World Trade Centre in New York.（改为被动语态）
2.Mum was washing clothes yesterday evening.(变为选择疑问句,用cooking dinner)
3.I was wating TV when someone knocked at the door.（改为一般疑问句）
答
1.Terrorists destroyed the World Trade Centre in New York.（改为被动语态） The Trade Centre in New York was destroyed by terrorists.2.Mum was washing clothes yesterday evening.(变为选择疑问句,用cookin...