Tom, clean up the broken glass _________ someone walks on it.
I am lucky ______ the thing I enjoy doing most is ______ I've ended up doing.
You want to tell me, and I have no objection ______ it.
More than a year later he arrived back in America ______.
The reason Beethoven went away to the country is ______.
It is hard to imagine a large city without policemen, but such was the ______ in London in the early 18th century.