二、语法和词汇知识（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. — So you give her your phone?
— _________, she said she would return it to me when she could afford her own.
A. My pleasure B. Not exactly C. No doubt. D. All right
22. — I failed in the exam.
— Don’t lose_______ heart. I believe with ______ help of your sister you will succeed.
A. the; 不填 B. 不填; the C. 不填；不填 D. the; the
23. The open air celebration has been put off _________ the bad weather.
A. in case of B. in spite of C. instead of D. because of
24. I was too tired because it was not until midnight ________ I finished my homework.
A. that B. when C. before D. since
25. The company _________ main products are sports shoes, is famous all over the world.
