Since the new director took office, we have worked _________ hours,-that is to say, we work more freely．

1. A.
   flexible
2. B.
   compulsory
3. C.
   strict
4. D.
   endless

Since the new director took office, we have worked __     _hours, －that is to say, we work more freely.

A．flexible                         B．compulsory        C．strict               D．endless

Since the new director took office, we have worked __     _hours, －that is to say, we work more freely.

A．flexible        B．compulsory          C．strict               D．endless

Since the new director took office, we have worked __    _hours, －that is to say, we work more freely.