1.The German didn’t build this factory during the Second World War.

=> This factory wasn’t built (by the Greens) during the Second World War.

2.The Greens are going to paint this house and these cars for Christmas Day.

=> This house and these cars are going to be painted for Christmas day by the Greens.

3. Ann had fed the cats before she went to the cinema.

=> The cats had been fed (by Ann) before she went to the cinema.

4.The students have discussed the pollution problems since last week.

=> The pollution problems have been discussed (by the students) since last week.

5.Have the thieves stolen the most valuable painting in the national museum?

=> Has the most valuable painting in the national museum been stolen (by the thieves) ?

6.Some people will interview the new president on TV.

=> The new president will be interviewed on TV (by some people).

7.How many languages do they speak in Canada?

=> How many languages are spoken in Canada(by them)?

8.Are you going to repair those shoes?

=> Are those shoes going to be repaired ?

9.He has broken his nose in a football match.

=> His nose has been broken in a football match(by him).

10.Have you finished the above sentences?

=> Have above sentences been finished ?

hay nhất nhé