问题描述: 初中英语adj+doing 介词+doing词组 1个回答 分类:英语 2014-10-17 问题解答: 我来补答 adj+doing "be busy doing sth" (忙于做某事)"be worth doing sth" (值得做某事)介词+doingbe good at doing what about doingthanks for doinginofaboutwithlook forward to doingdevote oneself to doing 展开全文阅读