Check giúp em ạ! @Một Nửa Của Sự Thật@one_day@ngchau2001
1 I didn't see her again for 3 years
Three years have passed since I last saw her(ko chắc).
2 Mary has learnt French for 6 years
It's 6 years since Mary last learnt French
1 I didn't see her again for 3 years.
->Three years has passed since I last saw her.
2 Mary has learnt French for 6 years.
->It’s 6 years since Mary learnt French.