I. Change sentences into the passive (Present simple): 1. Mr Hai delivers the letters everyday. - .................................................................................................... 2. The children often buy the tickets at the box office. - .................................................................................................... 3. They usually finish their homework before bed time. - .................................................................................................. 4. The teacher corrects our exercises today. - .................................................................................................. 5. We often watch the shows of music on TV . - .................................................................................................. 6. We do a written test today. - .................................................................................................... 7. Everyone always see the Picasso's exhibition . - ................................................................................................... 8. The workers clean the streets everyday. - ................................................................................................... 9. Careless driving causes many accidents. - ................................................................................................... 10. Weeds cover the river bank. - ...................................................................................................