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语法填空-单句语填 适中0.65 引用1 组卷54
All the policemen have been trained ________(defend)   themselves against the sudden attacks.(用所给单词适当形式填空)
2020高三·全国·专题练习
知识点:defend不定式作目的状语 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!