第二部分：语言知识及应用（共两节，满分50分）
第一节 单项填空（共20小题；每小题1分，满分20分）
21. Since everybody is clear, there is no _____ in discussing the question any further.
A. point B. possibility C. wonder D. doubt
22. Try not to refer to the dictionary when _____ the passage.
A. read B. reading C. reads D. are reading
23. These students asked the teacher if he would inform their parents _______ the result of the examination.
A. on B. in C. of D. to
