The telephone _____ three times in the last hour, and each time it _____ for my sister.

Billy kept asking his mother whether he could go to the movies and she          at last.

Each girl present at the party was wearing a flower in the hair, which______ their beauty.

 I had planned to invite Tom to the party to increase the atmosphere, but it turned out that his arrival ____ the atmosphere.

Tom _______ the TV set for $500，which was much cheaper than he had expected．