am pretty certain that the latest events you have just described can only _________ her unhappiness.

had followed his plan, we could havedone the job better with ________ money and ________ people

What does it matter whether you are rich or poor, ________ you are happy? [ ]

’s that noise——Oh, I forgot to tell you. The new machine ______.

. If you don’t like to swim, you ____ as well stay at home.