It is ...+ since ...与It has ...+since ...的区别?
It has been 2 years since we began to learn English．It is thirteen years since Hong Kong returned to China.今天在一本书上看到这两个句子,语法上都是对的吗?如何区别?
人气：219 ℃ 时间：2020-04-24 11:53:22
解答
两者没有太大的区别,可以互换使用.第一个句子只是强调动作延续的时间长度；第二句仅表示客观事实.
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