After a careful survey about the cause of the newly-built bridge, they finally came to a(n) _________ that it was due to the heavy rain.
Is it the years____you worked in the factory_____have a great effect on your literary works?
Some medicine, when wrongly____,can kill a person.
What terrible weather! It_____heavily for as long as eight hours.
His mother always keeps telling him to ______ his table manners.
This is the very dictionary____which Mr. Smith came here the other day.