change into passive voice 1 Mary types letters in the office. 2 his father will have you tomorrow . 3 Peter broke this bottle. 4 science and technology have completely changed human life . 5 they are learning english in the room. 6 nothing can change my mind. 7 has Tom finished the work? 8 did the teacher give some exercises? 9 have they changed the window of the laboratory? 10 is she going to write a poem? 11 Is she making big cakes for the party? 12 are the police making inquires about the thief? 13 must we finish the test before ten ? 14 will buses bring the children home? 15 have you finished your homework?

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