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。
21. It is hard to imagine more embarrassing occasion when you fail to understand single
word said by someone．
A．the; a B．a; a C．the; / D．a; /
22. Companies has been given licenses to operate in Shanghai Free Trade Zone, which ___ 28.78 square kilometers
A. takes B. has C. covers D. makes
23. The party, ___ I was the guest of honor, was extremely enjoyable.
A. by which B. for which C. to which D. at which
24. The technological advances made it possible for the middle classes to enjoy what had once been ___ only to the very rich.
