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How long they ( to know) each other?
Why you (to use) the phone so much lately?
She ( to work) at this plant since 2005.
He ( to be) in the city for the last two month.
I just ( to finish) my work in the library.
David's car is new. He ( to have) it for one week.
Paul (to search) for his purse for half an hour.
They( not to see) their relatives for two year.
Sara looks upset. She ( to cry).
Oh, I am cold. I (to stand) in the frost long.
Beth ( to be) I'll since last week.
Anna ( to cook) since twelve o'clock.