We have been working ____ 8 o'clock this morning.
since
They played soccer ____ three hours yesterday afternoon.
for
Neil has been sleeping ____ hours.
for
I learned to drive fifteen years ____.
ago
The children have been studying ____ this morning.
since
My parents went to New York City two years ____.
ago
I have been tired ____ last week.
since
He always talks on the phone ____ hours with her friend.
for
I sing _____ i was little
since
He has taught English at the academy ____ 8 years now.
for
I haven't seen him ___ five years.
for
____ I came to London, you haven't called me.
since
We were at his home just five minutes ____.
ago
My brother usually practices the piano _____ a couple of hours every afternoon.
for
I haven't studied French ______1997.
since
