Пример: 
0) All children must attend school between the ages of 5 and 16. 
School must be attended by all the children between the ages of 5 and 16. 

1) They discuss different problems in the lessons. 
2) The government built a new school. 
3) Pupils must take exams at the end of each stage of education. 
4) They will know the results of the tests in a few days. 
5) They had finished the work before the exams started. 
6) In the next ten years, more people will have education through the Internet. 
7) Has anyone told Ann about the news? 
8) Who are they going to invite to play for the school team? 

Эти предложения нужно написать, используя passive

1) Different problems are discussed by them in the lessons. 2) A new school was built by the government. 3) Exams must be taken by pupils at the end of each stage of education. 4) The results of the tests will be known by them in a few days. 5) The work had been finished by them before the exams started. 6) In the next ten years, education will be got by more people through the internet. 7) Has Ann been told by anyone about the news?8) Who is going to be invited by them to play for the school team?