Visitors to the National Museum can avoid long lines at the ticket booths by purchasing tickets ____.
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.
--How much salt did you put in the soup? --- I’m sorry to say, ____. I forgot.
I really can’t imagine such a beautiful girl____be so rude.