a half hour one hour对不对?

a half hour one hour对不对? one and a half hour 中hour是否加s one and a half hours 还是hour 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? a half hour还是half an hour? half an hour or a half hour? it took them ____to visit our school.a one and a half hour b one hour and a half hour 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 half a hour a half hour对吗 One and a half an hour 和An hour and a half 有什么不同 an hour nad a half 还是one hour nad a half one and a half hour看做单数还是复数?half an hour 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 与 one half hour区别 0.8hour 1hour 1.5hour one and half hour 哪些要加0.8hour 1hour 1.5hour one and half hour 哪些要加s one month and a half和one and a half month有区别吗?还有one hour and a half和one and half an hour哪个对? one and a half hour 是否要加s