how much is two cups of orange juice同义句

___ ___ ＿ ＿two cups of orange juice？

What's the price of

用复数，因为主语的中心词是 cups ，是复数, 谓语动词的单复数与juice 无关 如 there are three cups of orange juice on the table . there is a cup of orange juice on the table . 又如 this pair of shoes is his . there are two pairs of shoes over there .