It’s an old photo of my father.I________it when I was looking for my passport the other day.

It’s exciting to see the huge glass ball _________ through the darkness.

When you copy this paper, be careful not to______ a single word.

So far，only one man has ________ a theory that seems to fit all the facts

who plays the piano___, Linda, Lucy or Meimei Lucy. She often wins the prize in the piano competition.