题目内容

The air in Dongying is much worse than that in many other cities. We must do       to protect our environment.
A． nothingB．anythingC．somethingD．everything
C

试题分析：句意:东营的空气比很多其他的城市还要糟糕，我们必须做点什么来保护我们的环境。nothing什么也没有，没什么事；anything 任何事；something 某事，一些事；everything每件事。根据句意可知，我们必须做点事情来保护环境。故选C。
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