Everyday English
10.20
12. It is /has been +一段时间+ since从句.自从…到现在多久了 It is /has been two years since his father died.我大学毕业已经17年了. 我大学毕业已经17年了. 年了
It is /has been 17 years since I graduated from university.
每日谚语(English Proverb) 每日谚语12. An eye for an eye and a tooth for a tooth. 以眼还眼，以牙还牙。