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语法填空-单句语填 适中0.65 引用1 组卷36
______ is key to protecting our environment, so we should make full use of______ material which includes paper, plastic, metal and cardboard. (recycle) (所给词的适当形式填空)
22-23高二上·全国·课后作业
知识点:recycling动名词作主语形容词作定语 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!