He ( )run as fast as liuxiang before he hurt his left leg .单选can\could\can't\couldn't

分类: 作业答案 • 2022-04-04 19:43:29

问题描述：

答

could ( 根据 hurt 可知是一般过去时）为什么不是couldn't语法没错，但不符题意翻译：他左腿受伤之前跑得与刘翔一样快。如果用couldn't 就是跑得没有刘翔一样快。（你认为合理吗？）懂了，谢谢，英语不太好。