a half 与half of 的区别?

a half 与half of 的区别? half与half of的区别 a half与half a的区别 half the class 与half of the class的区别 half a kilo of in half ,at half,by half的区别和用法 half a与a half的区别We need 1/2 teaspoon vegetable oil.上句中,如果把1/2用文字表达,是half a teaspoon 还是a half teaspoon,这两个有什么区别? half与half of,什么时候用half,什么时候用half of? A.less than half B.half less than C.half of less than D.less than of half这四个词有区别吗? half dead与dying区别 half of+指代复数名词的which与half of them谓语单复数为何不同? half hour =half an hour half hour half an hour 的意思有和区别? half students和half of the students有什么区别 half the sky half of the sky区别 a half的中文 a half of me 是什么意思 half of students为啥不说a half of half a cup of milk和half a milk cup哪个是半杯牛奶 怎么用的