Question No. 1   I am doing this work. (change into passive voice)   Check   Question No. 2   Why had you disturbed him ? (change into passive voice)   Check   Question No. 3   The clerk had been bribed by them. (change into active voice)   Check   Question No. 4   She will not sign these papers. (change into passive voice)   Check   Question No. 5   What have you done ? (change into passive voice)   Check   Question No. 6   Why does he tell lies ? (change into passive voice)   Check   Question No. 7   Who abuses you ? (change into passive voice)   Check   Question No. 8   He is driving a car. (change into passive voice)   Check   Question No. 9   The teacher was calling the rolls. (change into passive voice...