Half of the class have done most of the work.这句话中为什么要用have为什么不是has这句话中是half啊。谁能说得明白点

half the class 与half of the class的区别 初二英语half of the class和half the class区别 half the class better than half of the class was absent怎么翻译 half of the class后谓语是单数复数 Half of the class后接单数还是复数 half of the class用has还是have half of class与half the class哪个对?如果后者是对的,为什么不用加of?我在有的地方看到“half the class” half of the class ( ) boys the other half ( ) girls 括号里填be动词 half the class的翻译 Half of the class have done most of the work.The restis rather difficult. ( )of the students in John's class are in ( )A.one-half,the twenties B.Half ,the twenties C.half,their twenties D.A half ,their twenties Half of the class have done most of the work 怎么翻译 half of the students 还是one-second of the students_____ of the students attend interest clubs after class.a.one-second b.half想问问为什么 it`s half past eleven.the boys of Class two_____(have)lunch. Half of the class 后的谓语是单数或者复数? half of the class ____boys 1.is 2.are 3.was 4.have been half of the