one kilo and a half of flour为什么一定要加of

one kilo and a half i'd like____of pears a a half kilos b half a kilo c one and half a kilo d half kilo Mrs.Brown wants ____of tofu and one and _____of chicken 填a half kilos和half a kilo或者a half kilo What can i do for you?I need ________of tomatoes.（）A.one and half kilo B.one and a half kilosC.one and half kilosD.one and a half kilo要告诉我为什么, What can i do for you?I need ________of tomatoes.A.one and half kilo B.one and a half kilosC.one and half kilosD.one and a half kilo one kilo and a half of flour为什么一定要加of half a kilo of half a kilo 中文 how____? Half a kilo ( ) 1.How much meat do you want to have,sir?_________ .( ) 1.How much meat do you want to have,sir?_________ .A.One and a half kilo B.One and a half kilos C.One kilo and half D.One kilos and a half为什么选B不选D? one and a half one + 名词 + and a half one and a half ticket one and half还是one and a half half a kilo中kilo干吗不是复数 I want ______ of meat,please.A.half kilo B.a half kilo C.half a kilo D.a kilo half Half a kilo.Do you like cheese? Half a kilo.Do you like cheese?