As nobody here knows what’s wrong with the machine, we must send for an engineer to _______ the problem.
_____ of the family isn’t willing to give up the chance to watch the exciting match.
_____ to blame him for neglect of duty? The president of the company is his uncle.
Perseverance is a kind of quality, and that’s _____ it takes to do anything well.
Do _____ you think is right _____ difficulties you may have.
She asked if any of the passengers knew _____ about machines or at least how to drive a car.