Its the most popular habit in the world. In ancient Greece it was made of mastica – a type of tree sap. The Mayan Indians in South America wrapped (заворачивали) the tree sap into leaves (листья) and put it into their mouths. During the Second World War American soldiers used it to relax. The American salesman and businessman William Wrigley made it popular all over the world. Today it has different tastes and colours. It can be useful and harmful. Children love it very much.
1.Snails can sleep for three years without eating. 2.Tigers have a striped skin. 3.The most popular pet in Great Britain is a rabbit. 4.An ostrichs eye is bigger than its brain. 5.The largest animal in the world is an African elephant. True False True False