Only when I got here _________ that I had made a big mistake.
It’s known to all that the_____ of life is full of hardships.
They’re looking forward_____ the coming of New Year’s Day.
-- The thread of my kite broke and it flew away. -- I had told you it would easily break_______ it was the weakest.
The violin will have to be tuned before it _____.
Charles Babbage is generally considered_____ the first computer.