Complete the text with a, an, some, or the. On my desk I’ve got pens, calculatorand exercise book. exercise book is old and calculator is broken​

Swimming with sharks - such an unusual hobby has been 67 -year-old Wolfgang Linder . Linder sharks and underwater attracted from early childhood, when at the age of 6 years, he first learned about the " underwater monsters " of the books . It is very unusual hobby is considered Dunlap Devereaux Cannon Jr. - a lawyer from Portland , Tennessee , USA. Kannon is interested vexillology - the study of flags in his collection more than 200 flags of countries around the world. Devereaux Cannon has earned the nickname the flagship for his hobby.