TheairinDongyingismuchworsethanthatinmanyothercities.We...

问题详情：

The air in Dongying is much worse than that in many other cities. We must do

             ______ to protect our environment.

             A. nothing   B. anything      C. something  D. everything

【回答】

C

知识点：不定代词

题型：选择题