旅行社详细回答了游客关于行程安排的咨询。

The travel agency responded to all the ___inquiries about the itinerary in detail.

政府将对这起事故展开全面调查。

The government will conduct thorough ___inquiries into the accident.

他在前台做了简单的询问，想知道餐厅的营业时间。

He made a quick ___inquiry at the front desk to find out the restaurant's opening hours.