第二部分 英语知识运用（共两节，满分35分）
第一节单项选择（共15小题；每小题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
21.________ Second Youth Olympic Games , _______ important international event , will be opened in Nanjing in 2014.
A. The ; an B. A ; the C. A; an D. The ; the
22 .It was after he got what he had desired ______ he realized it was not so important.
A. that B. when C. since D. as
23. Happy birthday, Alice! So you have _ ____ twenty-one already.
A. become B. turned C. grown D. passed
24. He accidentally _______ that he had quarreled with his wife and that he hadn’t been home for a couple of weeks.
A. let out B. took care C. made sure D. made out
25.________ the meeting himself gave them a great deal of encouragement.
A. The president will attend B. The president to attend
