问题描述: “He hurt his back playing basketball”中“playing basketball"的成分. 1个回答 分类:英语 2014-11-09 问题解答: 我来补答 He hurt his back playing basketball=He hurt his back while he was playing basketball.他在打篮球时伤到了背部.playing basketball 是动词-ing形式,在句子中做伴随状语.【公益慈善翻译团】真诚为你解答! 展开全文阅读