它们的价格有两种表达方法：
How much do they cost?
What is the price of them?
来源：这两种表达方法都是常见的英语问价格的说法。
例句：
How much do they cost?
Can you tell me the price of these shoes?
What is the price of them?
Can you tell me how much these books cost?
中文翻译：
它们多少钱？
它们的价格是多少？