完形填空(共15题,每小题1分,计15分 阅读下面短文,然后从所给的选项中,选出一个最佳选项. Tina and Katework in a supermarket. They are best friends and they enjoy together.Tina and Katie are young and always happy. They like tellingand watching programmes about music on TV. However, they do not like their boss,Mr Green ,he is very strict and always shoutsthem. Once, Mr Green shoutedloudly at Tina that he made her cry. Tina and Katie stop jokes when Mr Green is nearby. Mr Green likes playingvery much. He plays tennis three times a week andpart in many tennis matches, but he neverany tennis titles. One day, Mr Greenat work as usual and smiled at Tina and as he gave two big boxes of chocolates each. The girls were shocked. At the end of the day,they found out the reason Mr Green was so. He won his title in a local competition! Tina and Katie thought that life would be much better working at the supermarket from then on.