Calculations, which are astronomically exact, have been made with the use of computers.
After long and hard work, the police at last discovered the of the baby found by the side of a road.
At discussion, Jack ____ an idea that they should bring down the price of the bicycles.
With a lot of modern office equipment, today’s schools are quite different from ____ of the past.
I really don’t know _________ I had my money stolen.
You will fall in love with that city _____ you learn about it.