第一节 单项填空（共15小题；每小题1分，满分15分）
从每小题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项。
21. Beginning college is exciting: many of us can be easily at a loss by _______ details of
running ______ well-balanced life.
A. /; the B. the; a C. /; a D. the; /
22. The April 10, 2010 air crash, with a Russian Tu-145 plane _______ Poland’s president Lech Kaczinsky, his wife and many Polish government and military officials, shocked the whole world.
A. carried B. being carried C. carrying D. to carry
