---I got an “A” in the math exam. --Oh, it’s a good ____.
—Is this your bicycle, David? —No, it's not . It's Helen's.
— Your English is very good. —____________.
— ________, where is my pencil? — ________, I don’t know.
— ____________ ? — J-E-N-N-Y, Jenny.
—Thank you, Thomas. —________.