第二部分 英语知识运用 (共两节，满分35分)
第一节 单项填空 (共15小题；每小题1分，满分15分)
请认真阅读下面各题，从题中所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
21. Ukraine’s people elects Yulia Tymoshenko as _______ prime minister, _______ step that could accelerate the nation’s push to become close to the west.
A. the; a B./; a C. the; the D./ ; the
22. It was reported that 208 couples tied the knot in a group of wedding ceremony held in front of the Bird’s Nest in Beijing, _______ 230 had taken part in the Olympic security work.
A. whom B. which C. in which D. of whom
23. _______ we can’t remove our troubles in life for ever, we can leave them behind when we are on vacation.
A. When B. While C. Unless D. Until
