The volunteer work ( ) each of them several hours a week.谁能回答一下，急急急急急急

【专家解说】：答案:C。 分析:此句型结构为 It. takes sb. some time to do sth., 即: it->the volunteer work(志愿工作) takes->will take sb.->each of them some time->several hours a week to do sth.此处可省去 翻译:这项志愿工作一周花了他们每个人数小时的时间。 (希望能帮上你)