most an unusual 还是 a most unusual

most an unusual 还是 a most unusual 是a unusual还是an unusual 是a unusual还是an ununusal? 单词“unusual”前应填a,还是an AMAZING UNUSUAL的前面是A还是AN 是a upset boy 还是 an upset boy还有是a unusual lady还是an unusual lady? unusual前面用a还是an,alien前面用a还是an （an）unusual experience 而不是a you should know Helen ,she is _____ most unusual gir in our school用 a还是the the most unusual 为什么unusual前用a而useful前用an usually unusual前面加 分别加什么( a an) I had a very unusual experience on sunday.和He had an unusual experience last weekend两个句子为什么 Why is a pig the most unusual animal in the world? It is____ work of art that everyone wants to have a look at it.A a so unusA a so unusual B such an unusual C so unusual D such unusual 请解析 Can we find ____ before an earthquake?Can we find ____ before an earthquake?----Yes,some animals will run away .横线上填something unusual还是anything unusual . 元音字母和元音因素?u是元音字母 但不是元音因素为什么是 a university .而又是 an unusual day.到底 u 开头的 词用 a 还是 an?谢谢回答```` He is ____ unusual basketball player.A.a B.an C./ D.of