I used to think Jack was not a man to count on, but I have changed my ______ as he saved an old man from the fire.
________ is to do good all one's life and never do anything bad.
They would have fixed the telephone yesterday _________ it was a holiday.
It's uncertain ________ the experiment is worth doing.
Do you know ________ he expects will give us a talk
He insisted that he ________ in good health and _______ to work there.