你好!
正确答案为：
since 自从
从我姐姐在这个学校上学已经两年了.
完成时的一种固定结构 have done + since 引导时间状语从句
^___^
祝你学习进步!
如果对你有所帮助,请千万别忘记采纳哟!
it has been 2 years___my sister studied in this school你好！ 填写 since^___^祝你学习进步！如果对你有所帮助，请千万别忘记采纳哟！****************************************
it has been 2 years___my sister studied in this school
it has been 2 years___my sister studied in this school
英语人气：173 ℃时间：2019-11-02 21:07:33
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