II. Fill each blank with a suitable word from the box. Challenge collection unusual occasions pleasure David Stewart, a 15 year old boy from Hungary has an (1) __unusual__________ hobby – collecting teabags. For the last five years, he has collected more than 200 teabags. He exchanges his teabags with others’ from all around the world to add to his (2) __collection__________. His family, relatives and friends are all aware of this hobby, so on special (3) ____occasions________ they will give him teabags. David says at first it was easy but then it is a (4) _challenge___________ to be  to find new items. He stores the teabags in a box and keeps them in a cool, dry place so that they can be well maintained. To David, this hobby is a great source of (5) ___pleasesure _________ because it helps him understand more about different cultures around the world.