The map is one of the best tools a man has he goes to a new placeA. wheneverB. whateverC

问题补充：

The map is one of the best tools a man has he goes to a new place．

A. whenever

B. whatever

C. wherever

D. however

答案：

(答案→)A. whenever

B. whatever

C. wherever

D. however

解析：考查疑问词+ever引导让步状语从句的用法：A．whenever 无论何时，每当， B．whatever 无论什么C．wherever 无论什么地方D．however无论怎样，句意：每当到一个新地方，地图是一个人最好的工具，选A。