—Did you hear about the air crash? I feel so lucky! —Yes.If you _____ that flight, I _____ speaking to you now.
_____ could be judged from what he had said, he felt terribly sorry for what he had done.
He is my father, _____ a better father does not exist.
_____ is known to us all is that America is a developed country _____ the First World.
The mountain-climbing ___ every one of us.
I do think my house wants ____.