可以说a quarter an hour吗

可以说a quarter an hour吗 可以说a quarter an hour吗 a quarter of an hour是什么意思? only a quarter of an hour left Fifteen minutes is a quarter of an hour可不可以用Fifteen minutes is quarter an hour这样说 英语中a quarter of an hour中的an能换成one吗 “一个半小时”可不可以说成one and half an hour?可以说one and a half hour 或one hour and a half,那可不可以说one and half an hour呢?为什么？ 一刻钟怎么说?有的说是 a quarter,有的说是 a quarter of an hour,有的说是 quarter,到底哪个是正确的在句子中运用的时候怎么才能知道什么时候用 a quarter,什么时候用 a quarter of an hour呢? ●●●●●一道英语选择题6●●●●●13The vegetable market is_____walk from our school.A.a quarter of an hours' B.a quarter-of-an-hour'sC.a quarter of an hour's D.a quarter-of-an-hours'请问为什么选C It is difficult that we finish writing the composition in a quarter of an hour.同意句转化!_____ difficult_______ _________finish writing the composition in a quarter of an hour. 300miles per hour 可以说 300miles an hour吗 It is difficult for us to finish writing the compositionin a quarter of an hour.啥意思RT 7点一刻a quarter past seven可以说成seven and a quarter吗? 怎么理解 'old’ 在这里的意思At a quarter till midnight last Friday,with a deal to avert a government shutdown barely an hour old a hour 还是 an hour如题如题如题 a one -hour还是an one-hour a half hour还是half an hour? half an hour or a half hour?