第二部分：英语知识运用（共两节，满分35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．—Tom lost his job last week．
—___he is wandering in the street these days．
A．No doubt B．No way C．No wonder D．No problem
22．You ____be tired—you have worked only for ten minutes．
A．won't B．mustn't C．needn't D．can't
