2010年高考英语模拟试题分类集锦-单项选择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. _ rat found _ space between two boxes and hurriedly got in, leaving the eat crying helplessly behind, nothing to do.A. A; a B. A; the C. The; a D. The; the22. As we all know, the government is now making every _ to set up a harmonious society.A. effort B. effect C. measure D. performance23. - Has anything new been discussed on that prob
