第二部分：知识运用(共两节，满分45分)
第一节：单项填空(共15小题；每小题1分，满分15分)
21. Now as their income increases, more and more families can _____ to buy cars.
A. offer B. afford C. spend D. care
22. Few of the old customs _____ the war.
A. survived B. survived from C. survived after D. survived in
