orange juice is only 2 RMB 为什么要加is?我不理解

orange juice is only 2 RMB 为什么要加is?我不理解 My favourite drink is orange juice. 对orange juice提问 What is this ? ( ) orange juice.填空 How much is the orange juice? A bowl of noodles with orange juice ___ only 1.5 yuanA.is B.are C.for D.with Special 2 is only 8 RMB for 15, and has cabbage and mutton.Orange juice is only 2RMB.什么意思? Orange juice!I like orange juice best. Orange juice and milk is my favourite drinks.怎么改? My counsin's favourite drink is orange juice. there is a glass of orange juice改为一般疑问句 the noodles with orange juice ---- only 1.5yuan a.is b.are c.for d.with 选哪个,请说出理由 The bottle is full of orange juiceThe bottle is ___ ___ orange juice(同义句) how much is two cups of orange juice同义句___ ___ ＿ ＿two cups of orange juice? orange juice可数吗? orange juice的复数 The orange juice is 30P改为一般疑问句什么什么juice 30P? The noodles with orange juice are only 5 yuan为什么用with和are orange juice or apple juice?什么意思?