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A、B、C、D四个选项中，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. His teacher told him that since his parents were working abroad , either his grandparents or one of his uncles ________ allowed to come to the parents’ meeting .
A. is B. were C. are D. was
22. A recent survey showed that ________ to good education was a dream to most kids in rural areas.
A. contributions B. distinctions C. access D. convenience
23. _______ she has lived in Beijing for several years, Chinese men are still a closed book to Cathie Watson.
A. Unless B. While C. Before D. Since
24. The success of the Voice of China has greatly ________ the growing interest in pop music among the viewers.
A. turned to B. adapted to C. occurred to D. contributed to
25. The volcano erupted without warning, as a result of which, the whole city was buried ________.
A. lively B. alive C. live D. living
