Chuyển các câu sau sang thể bị động?

Bài1: chuyển các câu sau sang thể bị động
a) someone painted the office last week
-> The office..................................................
b) they are building a new motorway
-> A new motorway......................................
c) I was watching the new on TV at 8 o'clock last night
-> The new on TV...........................................
d) The police arrested a man this morning
-> A man..........................................................
e) I haven't seen him for three years
-> He.............................................................
f) He has just finished his second tragedy
-> His second tragedy........................