for 加一段时间,得用什么时态?
问题描述:
for 加一段时间,得用什么时态?
答
多用于完成时态 I have not heard from him for a long time.也见用于其它时态:Edison was a leading inventor of the world for 60 years.
for 加一段时间,得用什么时态?
多用于完成时态 I have not heard from him for a long time.也见用于其它时态:Edison was a leading inventor of the world for 60 years.