2017-2018学年人教版必修二Unit4 Section 2巩固提升含解析 Ⅰ.把下列句子变为被动语态 1.They are painting our classroom. →Our classroom __is being painted__by them. 2.Many people are always asking him silly questions. →He __is always being asked__silly questions by many people. 3.The old man is looking after the little dog. →The little dog __is being looked after__by the old man. 4.Mary is writing a letter to her brother. →A letter __is being written__by Mary to her brother. 5. They are interviewing him now. →He __is being interviewed__ now. 6.They are planting trees on both sides of the road. →Trees __are being planted__on both sides of the road. 7.Scientists are studying the disease. →The disease __is being studied__ by scientists. 8.Our headmaster is interviewing him now. →He __is being interviewed__ by our headmaster now.