Everybody Up 6 Unit 3 Review [Ash Ver.]
He _________ (build) the websites __________ he was twelve.
He's been building the websites since he was twelve.
How long have you been studying English at GECKO?
I've been studying English at VUS (for ... years/ since I was ...).
How long have you been living in Vietnam?
I've been living in Vietnam (for ... years/ since I was ...).