帮忙改成被动形式.1.The owner made them work long time thirty years ago.2.Mr.Ling asked Tom a question about the pollution in class.3.Students would make Paul thier school football team leader.4.They have given many children new clothes.5.At present,men and women,old and young,are learning the problem all over the country.6.Mr.Steve was repairing the machine over there when Mick came.

them work was made by the owner long time thirty years ago
a question about the pollution was asked to Tom by Mr.Ling in class.
Paul would be made thier school football team leader by students
new clothes have been given to many children by them
At present, the problem is learnt by men and women,old and young all over the country.
the machine over there was repaired by Mr.Steve when Mick came.

they were made work long time by the owner years ago
Tom was asked a question about the pollution by Mr.Ling in class
Paul was made by sudents the school footbalss team leader
many children have been given new clothes by them
the problem is being learnt by men and women, old and yong at present in the country
the machine was being repairing by Mr. Steve when Mick came

1 They were made to work long time years ago by the owner.2 Tom was asked a question about the pollution in class by Mr.Ling.3 Paul would be made their school football team leader by the students.4 Ma...