Directions：Complete the following passage by using ONE word that fits the context．

　　Little David was football crazy．He 　　1　　 all his spare time kicking a ball in the school playground 　　2　　 on the street near his east London home．　　3　　 millions of boys and an increasing number of girls, he dreamt 　　4　　 being a professional football player．He was a Manchester United supporter and he wanted to wear the red shirt and score goals at the famous Old Trafford Stadium in front of thousands of cheering fans．

　　While he was still a schoolboy, he attended training sessions with a London club, and then at the 　　5　　 of sixteen, he was invited to 　　6　　 Manchester United as a trainee．David’s career took off almost immediately when he was 　　7　　 of the Manchester United’s Youth Team, 　　8　　 won the FA Youth Cup in 1992, and he was chosen to play for the Red Devil’s senior team in the same year．It was the beginning of an extraordinary career．