The thief ___ when he was stealing a wallet from a woman.
Some insects __________ the colour of their surroundings to protect themselves.
__________ with the size of the whole earth, the biggest ocean does not seem big at all.
As we all know, either the location or the surroundings __________ the value of a house.
During the Olympic torch re-lay, thousands of people __________ in either side of the street.
Mrs. White found her husband __________ by letters and papers and __________ very worried.