In my opinion, Jack, though relatively stubborn, was not too difficult ___

Singe women usually stay away from marriage by their own choice, ______ single men are mostly victims of circumstances.[ ]

To make her business look impressive, Lisa rented a big office _____ the fact that money wasn’t enough to pay the employees

Overloaded with work, school teachers now get far less sleep than they ______.

Only when _____ five _____ my father. [ ]