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He has been waiting for his girlfriend for hours.
She believes that he will come back some day.
I think that she lives in America.
She has been playing the piano for more than three hours.
She believed(that) the man was their teacher.
She has never been abroad(to a foreign country).
They haven't had(eaten) dinner yet.
She has lost her wallet(purse).
She has used the bag for three years.
As she was sick, she was absent.
As she was very tired, she decided not to go swimming.
Although it was very late, she decided to go out.