John and Sue have lived in London ________ two years.
David Cameron has been British Prime Minister ________ May 2010.
He's been working in the I.T. sector _________ last December.
Nisha's been waiting at the station _______ an hour now!
I have loved music and dancing _________ I was a child.
The builders have been at work since ________ .
My daughter hasn't eaten since _________________.
My father has been cycling every day since __________________.
Western Art has developed rapidly since ___________________.
Jake has played guitar since ______________.
The television has been on for ___________.
Anna has been teaching at the university for _____________.
We haven't visited your parents for ___________.
It has been an important city for ______________.
Henri's been learning English for _______________.