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what happened to your memory?和 what's happened to your car?在

来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:英语作业 时间:2024/06/12 21:39:29
what happened to your memory?和 what's happened to your car?在语法上有什么区别.
what happened to your memory?和 what's happened to your car?在
从时态上来看:what happened to your memory?是一般过去时.
what's happened to your car?是现在完成时,‘s 是has 的缩写.