one and a half hours is/are needed to finish the job.用单数还是用复数

one and a half hours 还是hour 英语翻译是one and a half hours还是one and half an hours还是其他? 是one and a half hours还是one and a half hour one and a half hours 和 one hour and a half的意思一样吗 one and a half hours还是one and a half hour one and a half hours?还是one and a half hour? 是one and a half hour 还是 one and a half hours 一个半小时 英语：是one and a half hour 还是 one and a half hours one and a half hours 的同义词组帮 The meeting lasted for ( ).A.one and half a hour B.one and half hour C.one and a half hours D.one and the half hour The boy always stays there for___a.one and half hour b.one and a half hour c.one and half hoursd.one and a half hours one hour and a half 是一个半小时 两半小时是不是 two hours and a half? 56.The film will last for______A.an hour and a half B.an hour and half C.one and a half hour D.one hours and a half half an hour?half an hour、an hour and a half 、 one and a half hours和one half hour都能表示一个半小时吗? It took them___to visit our school.one and a half hourone hour and a half hourone hours and a halfone and a half hours It took me ___ to find the key to my house.A.one and half hours B.one and a half hours.C.one and a half hourD.one and half hour 选B的原因是什么? one hour and a half作主语谓语是单数还是复数?one and a half hours呢? one hour and a half谓语动词为什么用单数?而one and a half hours谓语动词用复数?