It is ten years since he smoked or didn't smoke答案为smoked 为什么

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/05 16:00:26
It is ten years since he smoked or didn't smoke答案为smoked 为什么

It is ten years since he smoked or didn't smoke答案为smoked 为什么
It is ten years since he smoked or didn't smoke
答案为smoked 为什么

It is ten years since he smoked or didn't smoke答案为smoked 为什么
表示过去已经完成的状态,所以用过去时.

it is +时间 since。。。是一个固定的句型 过去分词表示完成时态
这个句型考试的中标率很高 要注意 如果还不懂要去问老师 容易考到