Maggie is a neat and tidy student, who likes to have everything ______.
There are two buildings, ________ stands nearly a hundred feet high.
Some new oilfields ________ since 1976.
She’s having a lot of trouble with the new computer, but she doesn’t know whom to ________.
________ you’ve heard the song, you’ll never forget it.
The mother asked the boy ________ football in the street. It was dangerous.