Helen and Fay ____ the children all day
Andy ____ three English lessons so far
That man ____ at you since we walked into the room.
Lisa ____ on a painting for the past month, but she ____ it to anyone yet.
We ____ this course for long. We started last week.
Tom, you ____ in front of that computer all afternoon. What are you doing?
I ____ the situation with my parents yet.
We ____ for the train since nine o'clock.
My sister ____ three e-mails so far.
I ____ an egg before.
Lee has been surfing the Net ____ four hours
Alli has been sleeping ____ six o'clock.
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