For, Since, Ago (For, Since, Ago)

Q1 of 10: We have been working __________ 8 o'clock this morning.

Q2 of 10: They played football __________ three hours yesterday afternoon.

Q3 of 10: Neil has been sleeping __________ hours.

Q4 of 10: I learned to drive fifteen years __________.

Q5 of 10: The children have been studying __________ this morning.

Q6 of 10: My parents went to New York City two years __________.

Q7 of 10: I have been tired __________ last week.

Q8 of 10: She always talks on the phone __________ hours with her sister.

Q9 of 10: We have been attending the annual conference every year __________ 2005.

Q10 of 10: He has taught English at the academy __________ 8 years now.