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15小题，每小题1分，满分15分)
请从A、B、c、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该选项的标号涂黑。
21．Do you know ____ friendship plays _____ important part in people’s daily lives.
A. an; the B. /;an C. the ;an D. the ;the
22．Nowadays, a large number of women, especially those from the countryside,_____ in the clothing industry.
A. is working B. works C. work D. worked
