Hoµng V¨n Huy – THCS §ång ViÖt Change these sentences into passive voice: They can’t make tea with cold water The chief engineer was instructing all the workers of the plant Somebody has taken some of my books away They will hold the meeting before May Day They have to repair the engine of the car The boys broke the window and took away some pictures People spend a lot of money on advertising everyday They may use this room for the classroom The teacher is going to tell a story 10 Mary is cutting the cake with a sharp knife 11 The children looked at the women with a red hat 12 They have provided the victims with food and clothing 13 People speak English in almost every corner of the world 14 You mustn’t use this machine after 5:30 p.m 15 Luckily for me, they didn’t call my name 16 After class, one of the students always erases the chalk board 17 You must clean the wall before you paint it 18 They told the new pupil where to sit 19 I knew that they had told him of the meeting 20 Nobody has ever treated me with such kindness 21 No one believes his story 22 A sudden increase in water pressure may break the dam 23 We must take good care of books borrowed from the library 24 A man I know told me about it 25 We can never find him at home for he is always on the move 26 They use milk for making butter and cheese 27 Science and Technology have completely changed human life 28 John used to visit Mr Cole at weekends 29 Weeds cover the river bank Chóc c¸c em thµnh c«ng! Hoµng V¨n Huy – THCS §ång ViÖt 30 Somke filled the room The end Chóc c¸c em thµnh c«ng!