Whenever a natural disaster happens, we should offer help we could to those victims.
A. however
B. whatever
C. whenever
D. whichever
网友回答
A. however
(答案→)B. whatever
C. whenever
D. whichever
解析：句意：当灾难发生时,我们应该提供任何可能的帮助给那些受害者。考查whatever作定语,修饰名词help。A. however无论怎样，修饰形容词或副词， C. whenever无论什么时候，D. whichever无论哪个，所以选B。