When this new kind of virus broke out at first in Mexico, no one had the least idea that it would _______ so rapidly throughout the world.
Now that you are our _____ customer, we will allow you a 10% discount if you buy the dress.
With another ten miles ______, we must speed up so that we can get there before dark.
Not until the third day after the terrible earthquake _____ a phone call from his mother.
A Cultural Pedestrian Street has been set up in _________ was a wasteland ten years ago .
More than a dozen workers in that company ________ to get trained last year.