题目

写出下列动词的现在分词drink sleep play eatjump climb shop run 答案：【1】drinking【2】sleeping【3】playing【4】eating【5】jumping【6】climbing【7】shopping【8】running枪上消音管是在________处减弱噪声；植树见隔音板是在________中减弱噪声；“戴耳罩”是在________处减弱噪声．