7. Make the sentences passive. Mind the tenses. Use the Grammar Reference on p. 168 if pei 1) Someone was repairing their bikes. 2) Who is checking the passports? 3) We were fixing the satellite dish at 7p.m. yesterday. 4) One of the cable TV channels is presenting a new quiz show. 5) Newton discovered the law of gravity. 6) A building team was building the house when we returned to the town. 7) Cole Porter composed some nice musicals. 8) Someone was turning off TV while I came in the room. 9) Students handed out fliers last week. 10. At this very moment we are watching the soap opera on TV. 11. Journalists usually interview a variety of people.