发誓不爱你txt下载:习题的讲解二(初二英语)

来源:百度文库 编辑:高考问答 时间:2024/05/06 18:11:13
It has been in use since 1998( 用in 1998改写句子)
答案:It was in used in 1998

可不可以用:It started to use in 1998.
why?

不可以,你这样的话应该用被动
It started to be used in 1998.