问题描述: Tina used to be afraid of dogs.同义句改写改写成Tina used to 【三个空】dogs 1个回答 分类:英语 2014-10-25 问题解答: 我来补答 Tina was afraid of dogs in the past,but now she isn't.used to (do)表示“过去曾经”(现在不了) 展开全文阅读