-Where did you put the car keys?-Oh, I ______ I put them on the chair because the phone rang as I _______ in.
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.