做这道冠词题可要小心了： I once watched _______ one-act play, which was played by _______ 11-year-old boy. A. a, a B. an, anhttp://yingyu.chazidian.com C. a, an D. an, a 【说明】几个干扰均有可能误选。 【分析】最佳答案填C。第一空填 a，因为 one-act 的读音是以辅音开头，即第一个音是辅音不是元音；第二空填 an，是因为 11的英文是 eleven，它的第一个音是元音不是辅音。类似以下各题的答案是 C 不是其他： (1) Before he was arrested, he had taken _______ one-month holiday, and stayed in the country with ________ 18-year-old girl, one of his students. A. a, a B. an, an C. a, an D. an, a (2) We hired _______ one-eyed man to play in our film, and we gave him _______ 100-pound check for just one minute. A. a, an B. an, a C. a, a D. an, an