第二部分英语知识运用(共两节,满分45分)
第一节单项填空(共l5小题;每小题l分,满分l5分)
    从A、B、C、D四个选项中,选出可以填人空白处的最佳选项,并在答题卡上将该项涂黑。
21.—Can you get me two tickets for the film Avatar ?
       —______.I won't let you down.
       A.Don't mention it                              B.Never mind
       C.No problem                                                                    D.No way
22.His suggestion is that ______ action be taken to improve ______ situation.
       A./; the                  B.an; the                C.I; a.                  D.the; a