difficulties we may face in our life we should keep calm and take measures to get them o

问题补充：

difficulties we may face in our life, we should keep calm and take measures to get them over.

A. Whenever

B. Whatever

C. Whichever

D. However

答案：

A. Whenever

(答案→)B. Whatever

C. Whichever

D. However

解析：考查让步状语从句。通常使用“no matter+特殊疑问词”表示连接让步状语从句；或者使用“特殊疑问词+ever”来连接；要特别注意本题中横线后面的difficulty是一个名词，前面要使用whatever；however后面要接形容词或者副词。句意：在生活中无论我们面对着什么样的困难，我们都应该保持冷静并采取措施来克服这些困难。故B正确。