A
1 be promoted
2 being encouraged
3 broken
4 was asked
5 is known
B
1 Metal is used by people to make machines.
2 The book has already been returned by me to the library.
3 Was a bridge built by them over the river a year ago?
4 An English play will be put on by us in the auditorium.
5 The flowers must by watered by us every day in summer.