My birthday is _____ December.
IN
We have been married ______ 15 years.
FOR
He has worked at the company _____ last year.
SINCE
We have known each other _____ high school.
SINCE
She was born _____ 2004.
IN
I bought this phone a month _____.
AGO
We have been friends ______ ten years.
FOR
I moved to this city _____ 2015.
IN
I have been tired ______ yesterday.
SINCE
I finished the book three hours ______.
AGO
The train left ten minutes _____.
AGO
She has studied English _____ five years.
FOR
She started her new job two weeks _____.
AGO