问题描述: i am ( )a book under the tree 括号里填finding还是reading?能告诉我为什么吗?谢谢 1个回答 分类:英语 2014-10-06 问题解答: 我来补答 当然reading.选那个要加“looking for"而look是非延续性动词.两词的用法比较:I am looking for the book everywhere.I find /found the book under the tree.:) 展开全文阅读