第二部分英语知识运用（共两节，满分45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. Those who have _____ good sense of duty will take ____ place of those who haven’t .
A. a; the B.不填 ; the C. a ; 不填 D. the ; a
22. All the preparations for the task ．, and we're ready to start
A．completed B．have completed
C．will be completed D．have been completed
23. –-Do you want tea or coffee?
--- I don’t mind, ________ one you are making.
A. whenever B. whatever C. whichever D. however
24. whatever his father said made no ________to him.
A. impression B .feeling C. sense D. use
