安徽省普通高中学业水平测试模拟IV单项填空(共10小题;每小题1分,满分10分)从A、B、C、D四个选项中,选出一个可以填入空白处的最佳选项。21What _ pity you didnt go to _ concert with us! It was so exciting!A . 不填;a B. a; the C. a; 不填 D. the; the 22. A group ticket admits six people _ the zoo or the museum.A. for B. to C. at D. in23. -Could you help me with some math problems? -Sure. Thats _ Im here.A. whether B. how C. when D. why24. Ive just read your blood test report and all seems