a kilo of tomatoes 是单数还是复数

a kilo of tomatoes 是单数还是复数 a kilo of tomato(es)?a kilo of tomato 还是a kilo of tomatoes到底哪个对啊 为什么呢 uncle wang wants a kilo of tomatoes 对a kilo of 提问 three kilo tomatoes还是three kilos of tomatoes Uncle Wang wants( a kilo of) tomatoes.对打括号部分提问 half a kilo of tomatoes ______ 1 yuanA is B are half a kilo of cheese________ 5 yuanA is B are half a kilo of a kilo of 是什么意思? 什么are these tomatoes?They are 2 yuan a kilo. I want to buy_________ Can you show it to me?A five tomatoes B two giass of juice C some sheepD a kilo of meat应该选哪个 Which is heavier,a kilo of cottonWhich is heavier,a kilo of cotton or a kilo of tomatos?用汉语回答,是个脑筋急转弯 a kilo of cheese是什么? half a kilo of meat是单数还是复数 ( ) are these tomatoes?they are tow yuan a kilo .A.HowB.How manyC.WhereD.What 英语单选,1.My mother went shopping and bought __this morningA.a box of apple B.six piece of bread C.a bag of D.a kilo of tomatoes a kilo of apples 怎么理解a kilo of 加可数名词复数的用法?类似用法的表示单位的词还有吗?如果用a kilo of 做主语时谓语是不应该用单数呢? price of each kilo是神马意思? I need a kilo of fis.对a kilo of 提问