第二部分:英语知识运用(共三节,共45分) 第一节:单项填空 (共10小题,每小题1分,共10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,并在答题卡上将该项涂黑。 21. The order came ___the soldiers ____the small village the next morning. 22. A. that ; had to leave B. that; should leave 23. C. /; must leave D. when; should leave