Сделать по )) make the sentences passive. 1)the speaker told the audience about the latest news. 2)russia was the first country to launch the manned space ship. 3)c. columbus discovered america 200 years ago. 4)we had done the work by the time they came home. 5)she wrote a letter to her sister in england and read it to us. 6)the farmers had picked up the crops before autumn came. 7)a man followed us from the railway station. 8)the workers built a new factory in the suburds of the city. 9)we didn`t notine the car because it was dark. 10)our granny had cooked the cake by the time the guests came.
2.The manned space.ship was first launched by Russia
3. America was discovered 200 years ago by C.Columbs
4.The work had been done by us by the time they came home
5.A letter was written to her sister in England and it was read for us
6.The crops had been picked up by farmers before autumn came
7.We were followed by a man from the railway station
8.A new factory was built by the workers in the suburbs of the city
9.The car wasn't noticed because it was dark
10. The cake had been cooked by our grant by the time the guests came