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）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项
21. in the village made Jack understand that science and technology plays a great role in agriculture.
A. Bringing up B. Brought up
C. Being brought up D. Having brought up
22. for several weeks, the city needed food.
A. As having flooded B. Being flooded
C. Having been flooded D. To flood
23. —Where is your uncle’s home?
—In New York. But he in Boston for four years.
A. has lived B. had lived C. lived D. had been living
24. When her brother was to cross the street he was knocked down by a truck and badly .
