As volunteers they should do to help the children in trouble.A. nothingB. anybodyC. somet

问题补充：

As volunteers, they should do to help the children in trouble.

A. nothing

B. anybody

C. something

D. somebody

答案：

A. nothing

B. anybody

(答案→)C. something

D. somebody

解析：考查不定代词的用法。nothing“没有什么”；anybody“某些人，任何人”；something“一些事，某事”；somebody“一些人，某人”。句意“作为志愿者，他们应该做帮助困境中的孩子们的事情”。故选C。