He ( )run as fast as liuxiang before he hurt his left leg .单

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/10 10:30:21

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

could ( 根据 hurt 可知是一般过去时）
再问：为什么不是couldn't
再答：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？）
再问：懂了，谢谢，英语不太好。

He ( )run as fast as liuxiang before he hurt his left leg .单 He hurt his left leg,hurt怎么不是三单? he hurt his left leg 反义疑问句 As well as breaking his leg,he hurt her arm.同意句 He hurt his left leg.（改为反意疑问句） He hurt his left l he can run because his leg was badly hurt. He cannot run so/as fast as you. He hurt his leg t_____. He doesn't run as fast as Jim.和He doesn't run so fast as Jim He’as fast as a Does Jim run as fast as Mike?No,he doesn't.He ()()()than Mik he ran as fast as he