第三节 语法和词汇知识（共两节，满分45分）
第一节 单项填空（共15题；每小题1分，满分15分） 从每小题的A,B,C,D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该选项涂黑。
11．Dr. Peter Spence, ______headmaster of the school, told us , “______fifth of pupils here go on to study at Oxford and Cambridge.”
A. the ; The B. / ; The C. / ; A D. a ; A
12. —I'm ______the suggestion. How about you?
—Hard to say. I'll have to think it over.
A. in memory of B. in demand of C. in favour of D. in terms of
13. She didn't attend the meeting yesterday. She had to ______an excuse to explain her absence.
