二、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）
21．The year 2012 has come to_____ end, but the year 2013 will also be _____ year full of hardships,challenges and opportunities as well.
A．the；a B．an；a C．不填；the D．the；the
22 — We are all waiting outside for you. Have you finished your supper?
—No, but I______ it, and it won’t take long.
A. just finish B. have just finished
C. am just finishing D. am just going to finish
23．— Personally, the boy must have been more than eighteen years old when the shamful thing happened．
—So he ______be punished seriously by law.
A．may B．could C．would D. shall
24． —Alice, turn off the light and lock the door before you leave.
—________.
