问题描述: 20个加to和20个加ing的英语单词今天就要 1个回答 分类:英语 2014-09-30 问题解答: 我来补答 add toattend tobe able toattune toadapt tolink togo tocling topretend doingstop doingadvise doinglook forward to doinghear doingsee doing 展开全文阅读