[질문] 9개 문장을 수동태로 바꾸어야 하는데 모르겠어요ㅠㅠ 수동태로 바뀐문장 가르쳐 주시고 그 이유도 간단히 알려주세요 1.They are building two new blocks of flats in my neighbourhood. 2.The zookeeper didn't let us feed the tigers. 3.When we arrived, they were still decorating the room. 4.Our teacher made us take three tests last week. 5.Can tourists visit the palace on sunday? 6.When will they publish your article? 7.They don't have to buy the tickets yet. 8.They are going to show thjs film on TV tomorrow. 9.You mustn't open this door.