Haze （雾霾）appears around us. Let’s do ___...

Haze （雾霾）appears around us. Let’s do ________ helpful to protect the environment.

A．nothing B．something

C．anything D．a thing

B 【解析】试题分析：句意：雾霾四处环绕着雾霾，让我们做一些有用的事情来保护环境。A 什么也没有；B 一些事，用于肯定句中；C 任何事，用于否定和疑问句中；D 一件事。结合句意故选C。考点：考查不定代词。

考点分析：

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