I called the airline to ______ my flight

问题选择题

I called the airline to ______ my flight reservation a week before I left for Canada.

A．expand

B．book

C．confirm

D．strengthen

答案

题目分析：考查动词辨析：A. expand扩大，B. book预定，C. confirm证实，D. strengthen加强，句意：在我动身去加拿大之前我打电话到机场确认我的航班预定。选C。