half是单数还是复数

half是单数还是复数 half 是单数还是复数 half an hour 是单数还是复数 half the food是复数还是单数 half of population是单数还是复数 half the books是单数还是复数 是a half hours还是a half hour?a half后面是单数还是复数啊? one apple and a half是复数还是单数? half a kilo of meat是单数还是复数 one cake and a half 谓语是单数还是复数 half后加名词单数还是复数 half a class 用单数还是复数? half后加名词单数还是复数 half zhe class是单数还是复数?half zhe class is going to...Or half zhe class are going to... one hour and a half 的谓语是单数还是复数,one and a half hours 的谓语是单数还是复数我们老师说第一个是复数,第二个是单数, one and a half apples 作主语时谓语动词到底是单数还是复数 one hour and a half 后面是复数谓语还是单数谓语 half of the two people 后面的谓语动词是复数还是单数?