问题描述: These trees were thick last year.(一般疑问句\肯定\否定回答)改一般疑问句\肯定\否定回答 1个回答 分类:英语 2014-12-15 问题解答: 我来补答 Were these trees thick last year?Yes,they were.No,they were not. 展开全文阅读