chuyển câu chủ động sang bị động
1.we won't hang these old pictures in the living room
2.these old pictures won't be hung in the living room
3.the german didn't build this factory durig the second world war
4.the stewards are going to paint this house and these cars for christmas day
5.ann had fed the cats before she went to the cinema
6.the students have discussed the pollution problems since last week
7.have the thievers stolen the most valuable painting in the national museum
8.some people will interview the new president on tv
9.the new president will be interviewed on tv