第二部分：知识运用（共两节, 满分35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,并在答题卡上将该项涂黑。
21. When armed with ______ awareness of what you truly value, you are in ______ excellent position to pick a career you will find rewarding.
A. an; an B. the; an C. an; the D. the; the
22. The digital camera in our shop is of high quality. If there_________ be something wrong with it while it is still under guarantee, we would repair it __________ our expense.
A. would ; on B. might; from C. could; with D. should; at
