第二部分：语言知识及应用（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）
21. They have to keep their plan _____ secret for _____ moment.
A. the ; a B. the ; the C. a ; the D. a ; /
22. ----Which restaurant shall we eat in ?
---- _____ but a KFC.
A. Every B. Any C. Each D. Neither
23. I still can’t understand it fully. Could you explain it to me once again _____?
A. in general B. in common C. in turn D. in detail
