1) the manager always welcomes new employees

⇒New employees are always welcomed by the manager

2) the scientists are studying the problem carefully

⇒The problem are being learned carefully by the scientist

3) the police found two children in the forest

⇒Two children was found in the forest by the police

4) Stephen court has just been invented an armchair which can play music

⇒An armchair which can play music has just been invented by Stephen Court

5) somebody had already reported the accident before l phoned

⇒the accident had already been reported before l phoned

6) you can buy videos like this one anywhere

⇒This one can be bought anywhere

7) where will your company send you next year?

⇒Where will you be sent next year by your company

8) had a special messager delivered the package before you got to the office?

⇒Had the package been delivered  by a special messager before you got to the office?

1) the manager always welcomes new employees

⇒New employees are always welcomed by the manager

2) the scientists are studying the problem carefully

⇒The problem are being learned carefully by the scientist

3) the police found two children in the forest

⇒Two children was found in the forest by the police

4) Stephen court has just been invented an armchair which can play music

⇒An armchair which can play music has just been invented by Stephen Court

5) somebody had already reported the accident before l phoned

⇒the accident had already been reported before l phoned

6) you can buy videos like this one anywhere

⇒This one can be bought anywhere

7) where will your company send you next year?

⇒Where will you be sent next year by your company

8) had a special messager delivered the package before you got to the office?

⇒Had the package been delivered  by a special messager before you got to the office?

XIN CÂU TRẢ LỜI HAY NHẤT Ạ, CẢM ƠN NHIỀU