Each of the 400 people received from their boss ______ gift - “Who moved my cheese?” , ______ best-seller in the US, which helped them understand how to deal with changes in their lives and work.
Explorer Robert Ballard searched the sunken ship---the Titanic for more than 20 years and also, with his cameras, he _____ the hole along the side of the ship which had caused it to fill with water and sink.