从A、B、C、D四个选项中选出可填入空白处的最佳选项，并在答题卡上将该项涂黑
21. I found myself sitting next to _______ George Bush! Not _______ George Bush, of course, but someone with the same name.
A. 不填；a B. 不填；the C. a; 不填 D. the; 不填
23. ________ the Olympics, we unite, or at least try to unite all nations in the world for good, or
at least for a moment.
A. In terms of B. By means of C. With regard to D. In honor of
