把下列句子改成被动语态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 their 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 oyer the country.6.Mr.Steve was repairing the machine over there when Mick came.

At present,the problem all over the country is learning by men and women,old and young.

1they were made by the owner to work long time thirty years ago
2Tom was asked about the pollution by Mr.Ling in class
3Paul should be their school football team leader by students
4The clothes was given to many children
5At present,the problem all oyer the country was learned by men ang women,old and young.
5The machine was repaired by Mr.Steve when Mick came