Choose the correct answer.
1 of 10
We have been working ____ 8 o'clock this morning.
2 of 10
They played football ____ three hours yesterday afternoon.
3 of 10
Neil has been sleeping ____ hours.
4 of 10
I learned to drive fifteen years ____.
5 of 10
The children have been studying ____ this morning.
6 of 10
My parents went to New York City two years ____.
7 of 10
I have been tired ____ last week.
8 of 10
She always talks on the phone ____ hours with her sister.
9 of 10
We have been attending the annual conference every year ____ 2005.
10 of 10
He has taught English at the academy ____ 8 years now.
