He took an active part in the b_____ against SARS.根据句意和首字母提示,在___上填上合适的单词

问题描述:

He took an active part in the b_____ against SARS.根据句意和首字母提示,在___上填上合适的单词
根据句子的意思和首字母的提示,在"_____"上填上单词,不必理会有几个"_"只要能填上就行.

battle