have been working
haven't had
have completed
We can go home. We _______ the reports for the annual meeting.
have been trying
The office is really busy. The phones ______ all day.
She ________ three main ways our company can reduce costs.
We _________ on the reports, but we haven't finished yet.
I ____________to contact you many times.
I ____________to contact you for a long time.
has found
We _______ each other since we were at school.
I´m tired because I _______ a holiday for ages.
have known
have been ringing
have tried