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），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. If you go by ____ train, you can have quite a comfortable journey, but make sure you get ___ fast one.
A. the; the B. /; a C. the; a D. /; /
22. I wish that I ______ the concert last night.
A. could attend B. have attended C. attended D. had attended
23. I felt much regret now that I _______then.
A. should stay at home B. ought to stay at home
C. should have stayed at home D. might have stayed at home
24. If I were you, I ______ the white iPad mini 2 yesterday.
A. would buy B. would have bought C. had bought D. must have bought
