日本語をクリックすると英文が表示されます。まずは自分で英語にしてから答え合わせを。
Nancy has been working here for ten years.
He has been waiting for his girlfriend for hours.
That boy has been running for over an hour.
Scientists have been trying to solve the difficult problem for centuries.
I have been reading this book for two hours.
She thought that her brother was watching TV.
She has been playing the piano for more than three hours.
I hope that you will come again.
How long have you been watching TV?
She believes that he will come back some day.
Have they been learning Japanese for a long time?
Do you know that he came here yesterday?