Everybody (A) enjoys summer holidays. People usually have a fantastic time and a lot of fun. But it happens so, if they behave in a proper way, have a sense of responsibility and obey simple rules.
Last summer a group of tourists nearly (B) became shark food when they visited an aquarium in New Orleans, the USA. The tourists were told to wait for their turn and come to a special platform by the ten people. Trying to get a (C) better look at the deadly animals twenty or thirty tourists got on that platform. It collapsed and they fell down into the water.
Some of the sharks in the aquarium were as big as the people - but luckily they had already had (D) their breakfast. As they weren't (E) hungry the sharks stayed away from the tourists. They gave the stuff time to rush to the people's rescue and save them all.