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Peter has been in his room for two hours.
My father has been busy since last week.
We have been on this train for five hours.
She has used the bag for three years.
I have lived in this town for ten years.
Have they arrived(got) there yet?
It has been hot since last week.
She has lost her wallet(purse).
How long have you known him?
Tom has broken the window.
He has not written to his parents for a long time.
Have you done your homework yet?