第二部分：英语知识运用（本部分共二节，总分45分）
第一节. 单项填空（本题有15小题，每小题1分，共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。
21. I remember seeing this kind of product in _____ city of Shanghai, which is known as _____ Paris of the East.
A. the; the B. the; the C. /; the D. a; /
22. Having arrived at the station, _____.
A. it was found that the train had left B. the train had left
C. the train was found left D. he found that the train had left
