螺纹m20是什么尺寸:It's 3 years since I saw him last time. 中的it's 能否换成has been?
来源:百度文库 编辑:高校问答 时间:2024/05/25 23:03:49
可以~
可以 It has been 3 years since I saw him last time
当然可以了
of course
可以~
可以 It has been 3 years since I saw him last time
当然可以了
of course