(2013·安徽高考)This project requires close teamwork. will be achieved unless we work well together.
A. Nothing
B. Anything
C. Something
D. Everything
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(答案→)A. Nothing
B. Anything
C. Something
D. Everything
解析：选A 考查不定代词。句意：这个项目需要密切的合作，除非我们通力合作，否则将一事无成。根据句意可知此处应用表示否定意义的词语，故选A。