2 when JK Rowling published her first book it was an immediate success
3 at the age of twenty Annie Marie Imafidon is the youngest student to get a Master degree at Oxford University
4 katy perry is a popular singer but her first CD didn't sell many copies
5 the scientist Marie Curie did important research into radioactivity
6 the ballerina Darcey Bussell didn't become interested in ballet untill dhe was a teenager