This is an illness that can result in total blindness ________ left untreated.
They _____ on the program for almost one week before I joined them, and now we _____ it as no good results have come out.
---Goodbye, Peter, remember me to your parents.---_______.
I have never dreamed of _______ such a good hotel in this town.
I feel it an honour __________ to speak here.
George Washington was born in 1732 in a rich family in _______ is now the state of Virginia.