The boss.... we... a few days off.
a) is saying, were going, to be given b) said, were going, to be given c)say, go, give d) would say, were going, to be given

Ответ:

The boss said we were going to be given a few days off.

b) said, were going, to be given

Объяснение:

said - Past Simple
were going, to be given - are going to изменялась по правилам косвенной речи