在英语中询问费用通常使用以下表达方式：

"How much does it cost？"

"What is the price of？"

"What is the cost of？"

例如，如果你想询问英语速成班的费用，你可以说：

"How much does an English crash course cost？"

"What is the price of an English crash course？"

"What is the cost of an English crash course？"

这些问法可以帮助你了解不同英语培训服务的费用