第二部分 英语知识运用（共两节，满分45分）
第一节 语法和词汇知识（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答案，并在答题卡上将该项涂黑。
21. Because the two countries were at _____ war, the people had ______ hard life.
A. /; the B. the; the
C. /; a D. a; a
22. The rescue workers are working day and night, ______ the ruins of the buildings for those who still might be alive.
A. looking for B. searching C. finding out D. finding
