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. —We shouldn’t lose heart because of failure.
—_____. As the old saying goes, failure is the mother of success.
A. I hope so B. It’s hard to say C. Never mind D. I’m with you
22. Because he has been out of _____ work for months, the young man now depends on his parents for _____ living.
A. 不填; a B. the; a C. 不填; 不填 D. the; 不填
23. The boy has made rapid progress in English this term, _____ the teacher praised him yesterday.
A. of what B. for what C. of which D. for which
24. I failed in the job interview and only then _____ the importance of learning English well.
A. I realized B. I had realized C. did I realize D. had I realized
25. We’re in a stage _____ it’s still too early to say who will win the most votes and become the new President.
