Protecting the earth is not to be left to the governmentEverybody should be concerned．A.

问题补充：

Protecting the earth is not to be left to the government．Everybody should be concerned．

A. nothing

B. something

C. everything

D. anything

答案：

A. nothing

(答案→)B. something

C. everything

D. anything

解析：词义辨析。句意：保护地球不是留给政府的事情，而是每个人都要关心的事。ACD意思和句子不符合。