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Mary has been learning a poem ___ an hour.
Jack has been working for an insurance company ___ 2005.
We have been waiting for Sandra ___ 20 minutes.
They have been running their own business ___ last year.
My little brother has been watching cartoons ___ 3 o’clock.
Sam has been playing the piano ___ 3 years.
This novel is very interesting. I have been reading it ___ morning.
You have been swimming ___ too long. Come out of the water!
Carol is ill. She has been staying in bed ___ yesterday.
I have been taking driving lessons ___ two weeks.
John and Liz have been staying at this hotel ___ Monday.
It has been raining ___ half an hour.
Ben has been looking for a job ___ he finished university.
I have been feeling sick ___ I got up.
Jim has been collecting works of art ___ a very long time.