Chuyển các thì sau sang thể bị đông. 1. Some drunk drivers caused the accident in this city 2. Tom will visit his parents next month 3.The manager didn't phone the secretary this morning. 4. Did Mary this beautiful dress ? 5.I won't hang these old pictures in the living room 6.The German didn't build this factory during the Second World Warr 7.The Greens are going to paint this house and these car for Chrismas Day. 8. Ann had fed the cats before she went to the cinema 9. The students have discussed the pollution problems since last week 10. Have the thieves stolen the most valuable painting in the national museum?