第二部分英语知识运用（共两节，满分45分）
第一节：单项选择（共15小题，每小题1分，满分15分）
21. Since then, the boy hasn’t missed ____ game of David Beckham, ___ famous football player
A. a; the B. a; a C. the; the D. the; a
22. The boy looked to the right and to the left, ______ what to do
A. not to know B. didn’t know C. not knowing D. not being known
