问题描述： i have done the training for two days这句通顺么? 1个回答 分类：英语 2014-10-10 问题解答： 我来补答 如果想指训练才开始两天,就把done改成been doing,i have been doing the training for two days,表示已经训练两天了,如果想表示你已经结束了只有两天的训练,就把for改为of,i have done the training of two days. 展开全文阅读
