—_______ does Mary surf the Internet? — Every day. A. How long B. How many C. How often
—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. —________.